A Walk in the Park Selected Bibliography

Abbey, Edward. Down the River. New York: Penguin, 1991.

———. The Journey Home: Some Words in Defense of the American West. New York: Penguin, 1991.

Abbott, Lon, and Terri Cook. Hiking Grand Canyon’s Geology. Seattle, WA: Mountaineers Books, 2003.

“About the Hualapai Nation.” Hualapai Department of Cultural Resources.

April 2010. http://hualapai-nsn.gov/wp-content/uploads/2011/05/AboutHualapaiBooklet.pdf.

Adkison, Ron. Hiking Grand Canyon National Park. Helena, MT: Falcon Guides, 1997.

“Aircraft Accident Report: Grand Canyon Airlines, Inc., and Helitech, Inc., Midair Collision over Grand Canyon National Park, June 18, 1986.” National Transportation Safety Board. Washington, DC: 20594, NTSB/AAR-87/03. https://libraryonline.erau.edu/online-full-text/ntsb/aircraft-accident-reports/AAR87-03.pdf.

Aitchison, Stewart. A Naturalist’s Guide to Hiking the Grand Canyon. Englewood Cliffs, NJ: Prentice-Hall, 1985.

Allen, Laura. “A New View: Has the Long-Troubled Relationship between Grand Canyon National Park and Local Indigenous People Entered a More Harmonious Era?” National Parks: The Magazine of the National Parks and Conservation Association, Spring 2020.

Alsup, Dan. Driftboats: A Complete Guide. Portland: Frank Amato Publications, 2000.

Anderson, Bruce A. “The Prehistoric Agricultural Landscape of Wupatki National Monument. In The Wupatki Archeological Inventory Survey Project: Final Report.

Anderson, Michael F. Living at the Edge: Explorers, Exploiters and Settlers of the Grand Canyon Region. Grand Canyon, AZ: Grand Canyon Association, 1998.

———. “Mining.” Nature, Culture, and History at the Grand Canyon. Arizona State University. https://grcahistory.org/history/logging-mining-and-ranching/mining/.

———. “Natural Disasters within Transitional Societies: The Havasupai Indians at Supai, Arizona.” In Reflections of Grand Canyon Historians: Ideas, Arguments, and First-Person Accounts, edited by Todd R. Berger. Grand Canyon, AZ: Grand Canyon Association, 2008.

———. Polishing the Jewel: An Administrative History of Grand Canyon National Park. Grand Canyon, AZ: Grand Canyon Association, 2000.

Anderson, Michael, and Paul Hirt. “Who Owns the Grand Canyon?” Nature, Culture, and History at the Grand Canyon. Arizona State University. https://grcahistory.org/history/who-owns-the-grand-canyon/.

Annerino, John. Canyoneering. Mechanicsburg, PA: Stackpole Books, 1999.

———. Hiking the Grand Canyon: A Detailed Guide to More than 100 Trails. Commemorative Hiker’s Edition, with pullout map. New York: Skyhorse, 2017.

———. Running Wild: Through the Grand Canyon on the Ancient Path. Tucson: Harbinger House, 1992.

Ashcroft, Frances. Life at the Extremes: The Science of Survival. New York: HarperCollins, 2001.

Associated Press. “Robbie Knievel Jumps Motorcycle 223 Feet across Grand Canyon,” Los Angeles Times, May 21, 1999. https://www.latimes.com/archives/la-xpm-1999-may-21-mn-39480-story.html.

Avery, Valeen Tippetts, and Linda King Newell. Mormon Enigma: Emma Hale Smith—Prophet’s Wife, “Elect Lady,” Polygamy’s Foe. New York: Doubleday, 1984.

Baars, Donald L. The Colorado Plateau: A Geological History. Albuquerque: University of New Mexico Press, 2000.

Bailey, Ashley M. “Lithics from the Edge: Flaked Stone Assemblages from Grand Canyon National Park. MA thesis, Department of Anthropology, Northern Arizona University, 2012.

Bailey, Vernon. “Mammals of the Grand Canyon Region.” Natural History Bulletin 1 (June 1935). http://npshistory.com/nature_notes/grca/nhb-1c.htm.

Balsom, Janet R. “A Little Knowledge Goes a Long Way: A History of Archaeological Research at the Grand Canyon.” In A Gathering of Grand Canyon Historians: Ideas, Arguments, and First-Person Accounts: Proceedings of the Inaugural Grand Canyon History Symposium, January 2002, edited by Michael F. Anderson, 111–14.

Balsom, Janet R., Ellen Brennan, Jennifer Dierker, and Ian Hough. “Prehistoric Peoples of the River Corridor.” In The Archaeology of Grand Canyon: Ancient Peoples, Ancient Places, edited by Francis E. Smiley, Christian E. Downum, and Susan G. Smiley, 201–39. Grand Canyon Association Monograph Series. Grand Canyon, AZ: Grand Canyon Association, 2017.

Banks, Leo, and Craig Childs. Grand Canyon Stories: Then & Now. Phoenix: Arizona Highways Books, 1999.

Baranauskas, Liam. “The Historically Hazy Story of Donora’s Deadly Smog.” Atlas Obscura, November 29, 2017.

“Bears Ears National Monument: A Proclamation by the President of the United States of America.” Obama White House, December 28, 2016. https:// obamawhitehouse.archives.gov/the-press-office/2016/12/28/proclamation-establishment-bears-ears-national-monument.

Beaudoin, Gary. Unbroken Web: The Art of Ellen & Lucy Begay—a Collector’s Perspective. Helena, MT: Sweetgrass Books, 2014.

Beer, Bill. We Swam the Grand Canyon: The True Story of a Cheap Vacation That Got a Little out of Hand. St. Thomas, U.S. Virgin Islands: 15 Minute Press, 1988.

Belknap, Bill, and Frances S. Belknap. Gunnar Widforss: Painter of the Grand Canyon. Crosslake, MN: Northland Press, 1969.

Belknap, Buzz, and Loie Belknap Evans. Belknap’s Waterproof Grand Canyon River Guide. Evergreen, CO: Westwater Books, 1969.

Benally, Malcolm D., ed. and trans. Bitter Water: Diné Oral Histories of the Navajo-Hopi Land Dispute. Tucson: University of Arizona Press, 2011.

Bennett, Brad L., and Thomas Myers. “The Risk of Death in the National Parks: Beware of the Facts.” Wilderness Medical Society Magazine 39, no. 1 (March 24, 2022).

Beus, Stanley S., and Michael Morales. Grand Canyon Geology. Oxford: Oxford University Press, 1990.

Billingsley, George H., and H. M. Hampton. “Physiographic Rim of the Grand Canyon, Arizona, a Digital Database.” Open File Report 99-30. Washington, DC: U.S. Geological Survey, 1999.

Billingsley, George H., Earle E. Spamer, and Dove Menkes. Quest for the Pillar of Gold: The Mines and Miners of the Grand Canyon. Grand Canyon, AZ: Grand Canyon Association, 1997.

Bjornerud, Marcia. Reading the Rocks: The Autobiography of the Earth. New York: Basic Books, 2006.

———. Timefulness: How Thinking Like a Geologist Can Help Save the World. Princeton, NJ: Princeton University Press, 2020.

Blakey, Ron, and Wayne Ranney. Ancient Landscapes of the Colorado Plateau. 2nd ed. Grand Canyon, AZ: Grand Canyon Association, 2024.

Blaustein, John. The Hidden Canyon: A River Journey. New York: Cameron Books (now Abrams Books), 2015.

Bogard, Paul. The End of Night: Searching for Natural Darkness in an Age of Artificial Light. New York: Little, Brown, 2013.

Boyle, Robert H. “An Absence of Wood Nymphs: Vladimir Nabokov, Famed Author of Lolita, and a Renowned Lepidopterist, Seeks His Favorite Butterfly in Arizona.” Sports Illustrated, September 14, 1959.

Brady Pincushion Cactus (Pediocactus bradyi). National Park Service. https://www.nps.gov/articles/bradys-pincushion-cactus.htm.

Branch, John. The Last Cowboys: A Pioneer Family in the New West. New York: W. W. Norton, 2018.

Brodie, Nathaniel Farrell. Steel on Stone: Living and Working in the Grand Canyon. San Antonio, TX: Trinity University Press, 2019.

Brown, Bryan T., Steven W. Carothers, and R. Roy Johnson. Grand Canyon Birds: Historical Notes, Natural History, and Ecology. Tucson: University of Arizona Press, 1987.

Brown, Emma. “Tribe Brings on the Tourists: Hualapai Nation Plans Ambitious Development at Grand Canyon,” High Country News, February 20, 2006.

Bryson, Bill. A Walk in the Woods: Rediscovering America on the Appalachian Trail. Japan: Crown, 2010.

Bunte, Pamela A., and Robert J. Franklin. From the Sands to the Mountain: Change and Persistence in a Southern Paiute Community. Lincoln: University of Nebraska Press, 1987.

Burke, Kelly J., Kathleen A. Harcksen, Lawrence E. Stevens, Robert J. Andress, and R. J. Johnson. “Collaborative Rehabilitation of Pakoon Springs in Grand Canyon–Parashant National Monument, Arizona.” In The Colorado Plateau VI: Science and Management at the Landscape Scale, edited by Laura F. Huenneke, Charles van Riper, and Kelley A. Hays-Gilpin, 312–28. Tucson: University of Arizona Press, 2015.

Burnham, Philip. Indian Country, God’s Country: Native Americans and the National Parks. Washington, DC: Island Press, 2000.

Butchart, Harvey. “The Canyon Nobody Knows.” Unpublished essay (1964), cited in Butler and Myers, Grand Obsession, 81.

———. Grand Canyon Treks. Bishop, CA: Spotted Dog Press, 1997–2006.

———. “Old Trails in the Canyon,” Appalachia 20, no. 7 (1962).

Butler, Elias, and Thomas M. Myers. Grand Obsession: Harvey Butchart and the Exploration of Grand Canyon. Flagstaff, AZ: Puma Press, 2007.

Cannon, Jerry A. The Navajo Bridge: Challenging Nature’s Barriers to Transportation. Flagstaff, AZ: Vishnu Temple Press, 2023.

Carmony, Neil B., and David E. Brown. The Wilderness of the Southwest: Charles Sheldon’s Quest for Desert Bighorn Sheep and Adventures with the Havasupai and Seri Indians. Salt Lake City: University of Utah Press, 1979.

Carothers, Steven W., and Bryan T. Brown. The Colorado River through Grand Canyon: Natural History and Human Change. Tucson: University of Arizona Press, 1991.

Carver, Raymond. Where Water Comes Together with Other Water: Poems. New York: Knopf Doubleday, 1986, 17.

Chan, Marjorie A., Katrina Moser, Jim M. Davis, Gordon Southam, Kebbi Hughes, and Tim Graham. “Desert Potholes: Ephemeral Aquatic Microsystems.” Aquatic Geochemistry 11 (2005): 279–300.

Chatwin, Bruce. The Songlines. London: Penguin, 2012.

Childs, Craig. The Secret Knowledge of Water: Discovering the Essence of the American Desert. Boston: Little, Brown, 2000.

———. Virga & Bone: Essays from Dry Places. Salt Lake City, UT: Torrey House Press, 2019, 115.

Childs, Craig, and Gary Ladd. Grand Canyon: Time below the Rim. Phoenix: Arizona Highways, 1999. Though published back in 1999, it is still gorgeous and still enlivened by the prose of Craig Childs.

Christensen, Don D., Jerry Dickey, and Steven M. Freers. Rock Art of the Grand Canyon Region. Chula Vista, CA: Sunbelt Publications, 2013.

Clark, Hattie. “Navajo Rugs,” Christian Science Monitor, May 12, 1986. Clarke, Damon R., and Candida L. Hunter. “Hualapai Tribe: Don’t Tell Us How to Respect the Grand Canyon.” Azcentral, November 17, 2017.

Coder, Christopher M. An Archaeological Perspective of Human History at Grand Canyon. Grand Canyon, AZ: Grand Canyon Conservancy, 2021.

———. An Introduction to Grand Canyon Prehistory. Grand Canyon, AZ: Grand Canyon Association, 2006.

“Cold Cases.” Investigative Services, U.S. National Park Service. https://www.nps.gov/orgs/1563/cold-cases.htm#:~:text=To%20report%20a%20missing%20person,or%20the%20US%20Park%20Police.

Collier, Michael (photographs), and Ann Zwinger (text). Grand Canyon: Little Things in a Big Place. Tucson: University of Arizona Press, 2006.

———. Water, Earth, and Sky: The Colorado River Basin. Salt Lake City: University of Utah Press, 1999.

Compton, Todd M. A Frontier Life: Jacob Hamblin—Explorer and Indian Missionary. Salt Lake City: University of Utah Press, 2013.

Copper Mountain Mine records. Arizona Department of Mines and Mineral Resources Mining Collection, Arizona Geological Survey, Mining Records Curator. http://docs.azgs.az.gov/OnlineAccessMineFiles/C-F/CopperMountainMohaveT32NR10WSec14Mohave_A.pdf.

Crampton, Gregory C. Ghosts of Glen Canyon: History beneath Lake Powell. Salt Lake City, UT: Tower Productions, 1986.

Cronon, William. “The Trouble with Wilderness; or, Getting Back to the Wrong Nature.” In Uncommon Ground: Rethinking the Human Place in Nature, edited by William Cronon, 69–90. New York: W. W. Norton, 1995.

Crow, Ryan, Karl Karlstrom, Andrew Darling, Laura Crossey, Victor Polyak,

Darryl Granger, Yemane Asmerom, and Brandon Schmandt. “Steady Incision of Grand Canyon at the Million Year Timeframe: A Case for Mantle-Driven Differential Uplift.” Earth and Planetary Science Letters 397 (July 2000): 159–73. https://doi.org/10.1016/j.epsl.2014.04.020.

Crow, Ryan, Wayne Ranney, Matt Kaplinski, and Tom Gushue. Grand Canyon Geologic River Guide. Washington, DC: U.S. Geological Survey, 2024.

Cummings, Judith. “Air Crash Kills 25 at Grand Canyon.” New York Times, June 19, 1986.

Davidson, Cliff I. “Air Pollution in Pittsburgh: A Historical Perspective.” Journal of the Air Pollution Control Association 29, no. 10 (1979): 1035–41. Published online March 13, 2012.

deBuys, William, ed. Seeing Things Whole: The Essential John Wesley Powell. Washington, DC: Island Press, 2001.

Dedera, Don. Navajo Rugs: The Essential Guide. Crosslake, MN: Northland Press, 1975.

Dillard, Annie. The Abundance: Narrative Essays Old and New. London: HarperCollins, 2016.

Dimock, Brad. Sunk without a Sound: The Tragic Colorado River Honeymoon of Glen and Bessie Hyde. Flagstaff, AZ: Fretwater Press, 2001.

———. The Very Hard Way: Bert Loper and the Colorado River. Flagstaff, AZ: Fretwater Press, 2007.

Dobyns, Henry F., and Robert C. Euler. The Ghost Dance of 1889: Among the Pai Indians of Northwestern Arizona. Prescott, AZ: Prescott College Press, 1967.

Dolnick, Edward. Down the Great Unknown: John Wesley Powell’s 1869 Journey of Discovery and Tragedy through the Grand Canyon. New York: HarperCollins, 2001.

Doyle, Martin. “Deep in the Grand Canyon, Scientists Struggle to Bring Back the Bugs.” Undark, February 16, 2018.

Dungan, Ron. “Grand Canyon Air Tours: Conservationists Hear Noisy Flights, Tribe Sees Economic Returns.” Arizona Republic, September 29, 2017.

Dutton, Clarence E. Tertiary History of the Grand Cañon District. Washington, DC: U.S. Geological Survey, 1882. New edition published by the University of Arizona Press, 2001.

Dvorak, John. How the Mountains Grew: A New Geological History. New York: Pegasus Books, 2021.

Edwards, David, and Scott Thybony. The Painted Desert: Land of Wind and Stone. Tucson: University of Arizona Press, 2006.

Egeland, Alexis. “Search On for Missing Florida Hiker in Grand Canyon.” Arizona Republic, June 20, 2016.

Elmore, Francis H. Shrubs and Trees of the Southwest Uplands. Tucson, AZ: Southwest Parks and Monuments Association, 1976.

Ensuring Environmental Health in Postindustrial Cities: Workshop Summary. National Academy of Sciences, 2003.

Epple, Anne Orth. A Field Guide to the Plants of Arizona. Guilford, CT: Falcon, 1995.

Erhart, Margaret. The Butterflies of Grand Canyon. New York: Penguin, 2009.

Erling, Kagge. Silence in the Age of Noise. New York: Vintage Books, 2018.

Eunuma, Francine. “The Decades-Long Political Fight to Save the Grand Canyon.” Smithsonian Magazine, February 26, 2019. https://www.smithsonianmag.com/history/decades-long-political-fight-save-grand-canyon-180971567/.

Fairley, Helen C. Changing River: Time, Culture, and the Transformation of Landscape in the Grand Canyon: A Regional Research Design for the Study of Cultural Resources along the Colorado River in Lower Glen Canyon and Grand Canyon National Park, Arizona. Technical Series 79, Prepared for the U.S. Geological Survey. Tucson, AZ: Statistical Research, 2003.

Farmer, Jared. Glen Canyon Dammed: Inventing Lake Powell and the Canyon Country. Tucson: University of Arizona Press, 1999.

Fedarko, Kevin. The Emerald Mile: The Epic Story of the Fastest Ride in History through the Heart of the Grand Canyon. New York: Scribner, 2013.

———. “They Call Me Groover Boy: My Life at the Helm of a Colorado River Latrine Raft.” Outside, July 7, 2008.

Ferguson, T. J., et al. “Öngtupqa niqw Pisisvayu (Salt Canyon and the Colorado River): The Hopi People and the Grand Canyon.” In Final Ethnohistoric Report for the Hopi Glen Canyon Environmental Studies Project. Kykotsmovi, AZ: Hopi Cultural Preservation Office, 1998.

Fletcher, Colin. The Complete Walker. New York: Knopf, 1968.

———. The Man Who Walked Through Time. New York: Knopf, 1967.

Fletcher, Roger L. Drift Boats & River Dories: Their History, Design, Construction, and Use. Mechanicsburg, PA: Stackpole Books, 2007.

Fowler, Don D. The Glen Canyon Country: A Personal Memoir. Salt Lake City: University of Utah Press, 2011.

———. A Laboratory for Anthropology: Science and Romanticism in the American Southwest, 1864–1930. Salt Lake City: University of Utah Press, 2010.

Fowler, Don D., and Catherine S. Fowler. Anthropology of the Numa: John Wesley Powell’s Manuscripts on the Numic Peoples of Western North America, 1868–1880. Washington, DC: Smithsonian Institution Press, 1971.

Fowler, Don D., Robert C. Euler, and Catherine S. Fowler. “John Wesley Powell and the Anthropology of Canyon Country: A Description of John Wesley Powell’s Anthropological Fieldwork, the Archaeology of the Canyon Country, and Extracts from Powell’s Notes on the Origins, Customs, Practices, and Beliefs of the Indians of That Area.” Geological Survey Professional Paper 670. Washington, DC: U.S. Government Printing Office, 1969.

Fradkin, Philip L. A River No More: The Colorado River and the West. New York: Alfred A. Knopf, 1981.

Gardner, John. The Dory Book. Camden, ME: International Marine Publishing, 1978.

Garvin, Cristofer D., Thomas C. Hanks, Robert C. Finkel, and Arjun M. Heimsath. “Episodic Incision of the Colorado River in Glen Canyon, Utah.” Earth Surface Processes and Landforms 30 (2000): 973–84.

Gauvin, Pete. “Ray Jardine and the Revolution of Lightweight Wilderness Travel.” Adventure Sports Journal, October 20, 2009.

Gerke, Sarah Ruth. “A History of Park Service Interpretation at Grand Canyon National Park.” PhD diss., Arizona State University, 2010.

———. “Hopi House.” Nature, Culture, and History at the Grand Canyon, Arizona State University. https://grcahistory.org/sites/south-rim/hopi-house/.

———. “Hualapai Reservation.” Nature, Culture, and History at the Grand Canyon, Arizona State University. https://grcahistory.org/sites/beyond-park-boundaries/hualapai-reservation/.

Ghiglieri, Michael P., and Thomas M. Myers. Over the Edge: Death in Grand Canyon. 2nd ed. Flagstaff, AZ: Puma Press, 2012.

Gootee, B. F. Geologic Timeline of the Grand Canyon. Arizona Geological Survey Open-File Report OFR-19-02, with supplemental resource document for Geologic Timeline of the Grand Canyon. 2019. https://repository.arizona.edu/handle/10150/631779.

Gordon, Amie. “Screams Echoed throughout the Canyon.” Daily Mail, February 13, 2018.

Graham, J. P. Grand Canyon National Park: Geologic Resources Inventory Report. Natural Resource Report NPS/NRSAS/GRD/NRR—2020/2195. Fort Collins, CO: National Park Service, Natural Resources Stewardship and Science, 2020.

Grahame, Kenneth. The Wind in the Willows. New York: HarperCollins, 1907.

“Grand Canyon Hiker Dies Close to Her Goal,” KNAU Radio. https://www.knau.org/post/grand-canyon-hiker-dies-close-her-goal.

Grand Canyon National Park Enlargement Act, Public Law 93—620. 1975. https://www.govinfo.gov/content/pkg/STATUTE-88/pdf/STATUTE-88-Pg2089.pdf.

“Grand Canyon Skywalk Reviews.” Consumer Affairs. https://www.consumeraffairs.com/travel/grand_canyon_skywalk.html.

Green, J. D., and Jim Ohlman. Hiking in the Grand Canyon Backcountry. Kissimmee, FL: Tower of Ra Publishing, 1995.

Griffiths, Peter G., Robert H. Webb, and Theodore S. Melis. “Frequency and Initiation of Debris Flows in Grand Canyon, Arizona,” Journal of Geophysical Research: Earth Surface 109, no. F4 (October 13, 2004).

Guerin, Emily. “Sovereignty and the Skywalk.” High Country News, March 25, 2013.

Hafen, Lyman. Far from Cactus Flat: The 20th Century Story of a Harsh Land, a Proud Family, and a Lost Son. St. George, UT: Arizona Strip Interpretive Association, 2006.

Hall, Edward T. West of the Thirties: Discoveries among the Navajo and Hopi. New York: Doubleday, 1994.

Hallsten, Susan McGarry, and Bruce Aiken. Bruce Aiken’s Grand Canyon: An Intimate Affair. Grand Canyon, AZ: Grand Canyon Association, 2007.

Hansen, R. M. “Shasta Ground Sloth Food Habits, Rampart Cave, Arizona,” Paleobiology 4, no. 3 (1978): 302–19.

Harjo, Joy, and Stephen Strom. Secrets from the Center of the World. Tucson: Sun Tracks and the University of Arizona Press, 1989.

Harvey, Mark S., and J. Judson Wynne. “Troglomorphic Pseudoscorpions (Arachnida: Pseudoscorpiones) of Northern Arizona, with the Description of Two New Short-Range Endemic Species,” Journal of Arachnology 42, no. 3 (2014): 205–19.

Heacox, Kim. An American Idea: The Making of the National Parks. Washington, DC: National Geographic Society, 2001.

Hebner, William Logan. Southern Paiute: A Portrait. Logan: Utah State University Press, 2010.

Hedden, Bill. “In Praise of a Wild West: A 21st-Century Vision for Western Public Lands.” High Country News, June 17, 2016.

Heitmann, Emma O., Ethan G. Hyland, Philip Schoettle-Greene, Cassandra A. P. Brigham, and Katharine W. Huntington. “Rise of the Colorado Plateau: A Synthesis of Paleoelevation Constraints from the Region and a Path Forward Using Temperature-Based Elevation Proxies.” Frontiers in Earth Science 9 (June 2021).

Henker, Karen. “Inside Canyonlands: Potholes” (video). Canyonlands National Park. https://www.nps.gov/cany/learn/photosmultimedia/inside_potholes.htm.

Henry, Marguerite. Brighty of the Grand Canyon. New York: Scholastic, 1953.

Hester, Jessica Leigh. “These Tiny Desert-Dwelling Crustaceans Are Incredibly Patient: Tadpole Shrimp Hunker Down, Waiting for Water Conditions to Be Just Right.” Atlas Obscura, April 26, 2019.

Hevesi, Dennis. “Colin Fletcher, 85, a Trailblazer of Modern Backpacking, Dies,” New York Times, June 19, 2007.

Hilzik, Michael. Colossus: Hoover Dam and the Making of the American Century. New York: Free Press, 2010.

Hirst, Stephen. I Am the Grand Canyon: The Story of the Havasupai People. Grand Canyon, AZ: Grand Canyon Association, 2006.

———, ed. We Call the Canyon Home: American Indians of the Grand Canyon Region. Grand Canyon, AZ: Grand Canyon Conservancy, 2016.

Hociota, Ioana, and Victor Pambuccian. “Acute Triangulation of a Triangle in a General Setting Revisited.” Journal of Geometry 102 (2012): 81–84.

Holycross, Andrew T., and Joseph C. Mitchell, eds. Snakes of Arizona. Rodeo, NM: Eco Publishing, 2020.

Hopkins, Maren P. “A Storied Land: Tiyo and the Epic Journey down the Colorado River.” MA thesis, University of Arizona, 2012.

Houk, Rose. An Introduction to Grand Canyon Ecology. Grand Canyon, AZ: Grand Canyon Association, 1996.

Hughes, J. Donald. In the House of Stone and Light: A Human History of the Grand Canyon. Denver: Grand Canyon Natural History Association, 1978.

Huisinga, Kristin, Lori Makarick, and Kate Watters. River and Desert Plants of the Grand Canyon. Missoula, MT: Mountain Press, 2006.

Ingram, Jeff. Celebrating the Grand Canyon (blog). https://gcfutures.blogspot.com/.

Inskip, Eleanor. The Colorado River through Glen Canyon before Lake Powell: Historic Photo Journal, 1872 to 1964. Moab, UT: Inskip Ink, 1995.

Ise, John. Our National Parks Policy—a Critical History. Baltimore, MD: Johns Hopkins University Press, 1961.

Iverson, Peter. Diné: A History of the Navajos. Albuquerque: University of New Mexico Press, 2002.

Ives, Joseph C. Report upon the Colorado River of the West, Explored in 1857 and 1858 by Lieutenant Joseph C. Ives, Corps of Topographical Engineers, under the Direction of the Office of Explorations and Surveys, A. A. Humphreys, Captain Topographical Engineer, in Charge. Washington, DC: Government Printing Office, 1861.

Iyer, Pico. “The Eloquent Sounds of Silence.” Time, January 25, 1993.

Jameson-Gould, Joseph. Real Monstrosities: A Journey amongst the Weird, the Wonderful and the Downright Ugly of the Natural World (blog). http://www.realmonstrosities.com/2012/08/schmidt-sting-pain-index-categorising.html#more.

Jardine, Ray. Beyond Backpacking: Ray Jardine’s Guide to Lightweight Hiking. Danville, NH: AdventureLore Publications, 1999.

———. The PCT Hiker’s Handbook: Innovative Techniques and Trail Tested Instruction for the Long Distance Hiker. Danville, NH: AdventureLore Publications, 1992.

Jenkins, Matt. “Canyoneering at Grand Canyon National Park: Monitoring Pockets of Wilderness in the Canyon Corridor.” Park Science 33, no. 1 (June 15, 2017): 91–98. https://www.nps.gov/articles/parkscience33-1_91-98_jenkins_3863.htm.

———. “Ultralight Winter Backpacking through Canyon Country.” Hyperlight Mountain Gear. https://www.hyperlitemountaingear.com/blogs/ultralight/ultralight-winter-backpacking-through-canyon-country.

Joe, Tony, Louisa Maffi, Gary Nabhan, Patrick Pynes, David Seibert, Thomas D. Sisk, Lawrence E. Stevens, and Stephen Trimble. Safeguarding the Uniqueness of the Colorado Plateau: An Ecoregional Assessment of Biocultural Diversity. Flagstaff: Northern Arizona University, Center for Sustainable Environments; Grand Canyon Wildlands Council; and Terralingua: Partnerships for Linguistic and Biological Diversity, 2002.

John Miller Associates. Indian Garden Cultural Landscape Report, Grand Canyon National Park. June 2005. https://www.nps.gov/parkhistory/online_books/grca/indiangarden_clr.pdf.

Junghans, Katie, Abraham E. Springer, Lawrence E. Stevens, and Jeri D. Ledbetter. “Springs Ecosystem Distribution and Density for Improving Stewardship.” Freshwater Science 35, no. 4 (2016): 1330–39.

Kamler, Kenneth. Surviving the Extremes: What Happens to the Body and Mind at the Limits of Human Endurance. New York: Penguin, 2004.

Kantor, Isaac. “Ethnic Cleansing and America’s Creation of National Parks.” Public Land and Resources Law Review 28, no. 41 (2007).

Karlstrom, Karl, and Laura Crossey. The Grand Canyon Trail of Time Companion: Geology Essentials for Your Canyon Adventure. Albuquerque: Trail of Time Press, 2019.

Keiter, Robert B. To Conserve Unimpaired: The Evolution of the National Park Idea. Washington, DC: Island Press, 2013.

Keller, Robert H., and Michael F. Turek. American Indians & National Parks. Tucson: University of Arizona Press, 1998.

Kelley, Klara Bonsack, and Harris Francis. Navajo Sacred Places. Bloomington: Indiana University Press, 1994.

Kelsey, Michael. Canyon Hiking Guide to the Colorado Plateau. Provo, UT: Kelsey Publishing, 2006.

———. Hiking and Exploring the Paria River. Provo, UT: Kelsey Publishing, 2017.

———. Technical Slot Canyon Guide to the Colorado Plateau. Provo, UT: Kelsey Publishing, 2011.

Kempa, Rick, ed. On Foot: Grand Canyon Backpacking Stories. Flagstaff, AZ: Vishnu Temple Press, 2014.

Kenny, Ray. “Management Report: Assessment of Radionuclides in Breccia Pipe Mine Spoils, Grand Canyon National Park, AZ: Phase III: Copper Mountain Mine.” Prepared for Grand Canyon National Park, National Park Service, the United States Department of the Interior. August, 2002. https://www.researchgate.net/publication/274960628.

Kenworthy, J., V. L. Santucci, and K. L. Cole. “An Inventory of Paleontological Resources Associated with Caves in Grand Canyon National Park.” The Colorado Plateau: Cultural, Biological, and Physical Research, edited by C. V. Riper III and K. L. Cole. Tucson, University of Arizona Press, 2004.

Ketcham, Christopher. This Land: How Cowboys, Capitalism, and Corruption Are Ruining the American West. New York: Viking, 2019.

Kieffer, Hugh. Letter to Don Ziegler. U.S. Geological Survey. HHK/213 “Ziegler.” August 17, 1989.

Kiester, Edwin, Jr. “A Darkness in Donora.” Smithsonian Magazine, November 1999.

Knoll, Andrew H. A Brief History of the Earth: Four Billion Years in Eight Chapters. New York: HarperColllins, 2021.

Krakoff, Sarah. “Not Yet America’s Best Idea: Law, Inequality, and Grand Canyon National Park.” University of Colorado Law Legal Studies Research Paper no. 20-3. University of Colorado Law Review 559 (February 21, 2020).

Krech, Shepard. The Ecological Indian: Myth and History. New York: W. W. Norton, 1999.

Krulwich, Robert. “Is That a Lark I Hear?” National Public Radio, October 1, 2014. https://www.npr.org/sections/krulwich/2014/10/01/352586936/is-that-a-lark-i-hear-a-nightingale-surprise-its-a-bat.

Kunz, Hadley. “Creature Feature: A Fairy of a Different Sort.” National Parks Traveler, September 28, 2022.

Ladd, Gary. Grand Canyon: Views beyond the Beauty. Grand Canyon, AZ: Grand Canyon Association, 2008.

Lamb, Michael P., Noah J. Finnegan, Joel S. Scheingross, and Leonard S. Sklar. “New Insights into the Mechanics of Fluvial Bedrock Erosion through Flume Experiments and Theory.” Geomorphology, 2015, 33–55.

Lamb, Susan, ed. The Best of Grand Canyon Nature Notes: 1926–1935. Grand Canyon, AZ: Grand Canyon Natural History Association, 1994.

Lavender, David. River Runners of the Grand Canyon. Grand Canyon, AZ: Grand Canyon Natural History Association, 1985.

Leopold, Aldo. A Sand County Almanac: With Essays on Conservation from Round River. New York: Ballantine, 1966.

Lewis, Alfred Henry, ed. A Compilation of the Messages and Speeches of Theodore Roosevelt, 1901–1905. Vol. 2. Bureau of National Literature and Art, 1906.

Leydet, François. Time and the River Flowing: Grand Canyon. Edited by David Brower. San Francisco: Sierra Club & Ballantine Books, 1964.

Linck, Ethan. “Your Stoke Won’t Save Us: The Idea That Outdoor Recreation Leads to Meaningful Conservation Rests on a Big ‘If.’” High Country News, May 14, 2018.

Lopez, Barry. Arctic Dreams: Imagination and Desire in a Northern Landscape. New York: Charles Scribner’s Sons, 1986.

———. The Rediscovery of North America. New York: Vintage, 1992.

Lucchitta, Ivo. Hiking Arizona’s Geology. Seattle: Mountaineers Books, 2001.

Luttrell, Jean. John H. Riffey: The Last Old-Time Ranger. Flagstaff, AZ: Vishnu Temple Press, 2007.

———. The Last Homesteader on the Arizona Strip. Flagstaff, AZ: Vishnu Temple Press, 2018.

Macfarlane, Robert. Mountains of the Mind. New York: Vintage, 2004.

———. The Old Ways: A Journey on Foot. New York: Penguin, 2013.

———. The Wild Places. New York: Penguin, 2007.

Madrigal, Alexis. “Aghast over Beijing’s Air Pollution? This Was Pittsburgh Not That Long Ago.” Atlantic, January 16, 2013.

Maitland, Sara. A Book of Silence. Berkeley, CA: Counterpoint, 2008.

Martin, Paul S. Twilight of the Mammoths: Ice Age Extinctions and the Rewilding of America. Berkeley: University of California Press, 2005.

Martin, Russell. A Story That Stands Like a Dam: Glen Canyon and the Struggle for the Soul of the American West. Salt Lake City: University of Utah Press, 1989.

Martin, Todd. Grand Canyoneering: Exploring the Rugged Gorges and Secret Slots of the Grand Canyon. Phoenix, AZ: Todd’s Desert Hiking Guide, 2011.

Matthes, François E., and Richard T. Evans. “Map of Grand Canyon National Park.” Military Engineer 18, no. 99 (May–June 1926: 188–201.)

McBride, Pete. The Grand Canyon: Between River and Rim. New York: Rizzoli, 2018.

McComb, Michael. “June 18, 1986: Grand Canyon Airlines, Inc. / Helitech Inc: Accident Synopsis and Historical Summary.” Grand Canyon Aviation Archaeology. https://www.lostflights.com/Grand-Canyon-Aviation/61886-Grand-Canyon/.

McGivney, Annette. “Freefall: Murder in the Grand Canyon.” Backpacker, September 27, 2007.

———. “Is Grand Canyon West Turning into ‘Las Vegas East’ and Ruining the Park’s Wilderness? Or Is It Saving a Native American Tribe?,” Outside, May 24, 2018.

———. Pure Land: A True Story of Three Lives, Three Cultures, and the Search for Heaven on Earth. Detroit, MI: AUXmedia, 2017.

McKee, Barbara, Edwin McKee, and Joyce Herold. Havasupai Baskets and Their Makers: 1930–1940. Crosslake, MN: Northland Press, 1975.

McMillen, Christian W. Making Indian Law: The Hualapai Land Case and the Birth of Ethnohistory. New Haven, CT: Yale University Press, 2007.

McNamee, Gregory. Grand Canyon Place Names. Denver, CO: Bower House Publications, 2004.

McPhee, Andy. The Donora Death Fog: Clean Air and the Tragedy of a Pennsylvania Mill Town. Pittsburgh: University of Pittsburgh Press, 2023.

McPhee, John. Annals of the Former World. New York: Farrar, Straus and Giroux, 1981.

———. Encounters with the Archdruid. New York: Farrar, Straus and Giroux, 1971.

Mead, J. I., P. S. Martin, R. C. Euler, Austin Long, A.J.T. Jull, J. Toolin, Douglas J. Donahue, and T. W. Linick. “Extinction of Harrington’s Mountain Goat.” Proceedings of the National Academy of Sciences 83 (1986): 836–39.

Melis, T. S., R. H. Webb, Peter G. Griffiths, and T. J. Wise. “Magnitude and Frequency Data for Historic Debris Flows in Grand Canyon National Park and Vicinity, Arizona,” Water-Resources Investigations Report 94-4214, United States Geological Survey, 1995.

Meloy, Ellen. The Last Cheater’s Waltz: Beauty and Violence in the Desert Southwest. New York: Henry Holt, 1999.

———. Raven’s Exile: A Season on the Green River. New York: Henry Holt, 1994.

Michaelis, Berhard. The Navajo Treaty of 1868: Treaty between the United States of America and the Navajo Tribe of Indians. Flagstaff, AZ: Native Child Dinetah, 2014.

Miller, Greg. All over the Map. Washington, DC: National Geographic, 2018.

———. “Mapping the Heart of the Grand Canyon: Behind the Herculean Effort to Create a Scientifically Accurate Cartographic Masterpiece.” Outside, February 26, 2019.

Milman, Oliver. “National Parks at 100: The Political Crusades Targeting National Parks for Drilling and Exploitation.” Guardian, August 23, 2016.

Momaday, N. Scott. The Man Made of Words. London: St. Martin’s Press, 1998, 45.

Monroe, S. A., R. C. Antweiler, R. J. Hart, H. E. Taylor, Margot Truini, J. R. Rihs, and T. J. Felger. “Chemical Characteristics of Ground-Water Discharge along the South Rim of Grand Canyon in Grand Canyon National Park, Arizona, 2000–2001.” U.S. Geological Survey Scientific Investigations Report 2004–5146, 2005.

Monson, Gale, and Lowell Sumner, eds. The Desert Bighorn: Its Life History, Ecology, and Management. Tucson: University of Arizona Press, 1981.

Montain, Scott J., and Matthew Ely. “Water Requirements and Soldier Hydration: Borden Institute Monograph Series.” Edited by William R. Santee and Karl E. Friedl. U.S. Army, 2010.

Montgomery, Ben. Grandma Gatewood’s Walk: The Inspiring Story of the Woman Who Saved the Appalachian Trail. Chicago: Chicago Review Press, 2016.

Moore, Laura Jane. “Elle Meets the President: Weaving Navajo Culture and Commerce in the Southwestern Tourist Industry.” Frontiers: A Journal of Women Studies 22, no. 1 (2001): 21–44.

Morehouse, Barbara J. A Place Called Grand Canyon: Contested Geographies. Tucson: University of Arizona Press, 1996.

Murphy, Shane. John Hance: The Life, Lies, and Legend of Grand Canyon’s Greatest Storyteller. Salt Lake City: University of Utah Press, 2020.

Myers, Tom. “Down the Gorge with Uncle George: Hiking the Length of Grand Canyon.” In A Rendezvous of Grand Canyon Historians: Ideas, Arguments, and First-Person Accounts, edited by Richard Quartaroli. Grand Canyon, AZ: Grand Canyon Association, 2013.

———. The Grandest Trek: Epic Stories and Life Lessons from Hiking the Length of the Grand Canyon. Flagstaff: Puma Press, 2024.

Nabhan, Gary Paul. Mesquite: An Arboreal Love Affair. Chelsea, VT: Chelsea Green Publishing, 2018.

Nash, Roderick Frazier. “The American Invention of National Parks.” American Quarterly 22 (1970): 726–35.

———. “The Value of Wilderness.” Environmental Review 1, no. 3 (1976): 12–25.

———. Wilderness and the American Mind. New Haven, CT: Yale University Press, 1967.

Nash, Stephen. Grand Canyon for Sale: Public Lands versus Private Interests in the Era of Climate Change. Oakland: University of California Press, 2017.

Nering, Doug. “Grand Canyon Off the Trail: An Explorer’s Catalog of the Grand Canyon of the Colorado.” See http://www.sixtymile.xyz/.

Neville, Tim. “2012 Outside Adventurers of the Year.” Outside, April 9, 2012.

Noakes, Timothy. Waterlogged: The Serious Problem of Overhydration in Endurance Sports. Champaign, IL: Human Kinetics, 2012.

Ohlman, Jim. “The 1919 Transcanyon Aerial Tramway Survey.” In A Gathering of Grand Canyon Historians: Ideas, Arguments, and First-Person Accounts: Proceedings of the Inaugural Grand Canyon History Symposium, January 2002, edited by Michael F. Anderson, 7–14.

O’Reiley, Tim. “Legal Battle Surrounding Grand Canyon Skywalk Still Flares.” Las Vegas Review-7Journal, January 2, 2014.

Owen, David. Where the Water Goes: Life and Death along the Colorado River. New York: Penguin Random House, 2017.

Pasternak, Judy. Yellow Dirt: An American Story of a Poisoned Land and a People Betrayed. New York: Free Press, 2010.

Pearson, Byron E. Still the Wild River Runs: Congress, the Sierra Club, and the Fight to Save Grand Canyon. Tucson: University of Arizona Press, 2002.

Peattie, Donald Culross. A Natural History of Western Trees. Boston, MA: Houghton Mifflin, 1950.

Pederson, Joel L., Matt D. Anders, Tammy M. Rittenhour, Warren D. Sharp, John C. Gosse, and Karl E. Karlstrom. “Using Fill Terraces to Understand Incision Rates and Evolution of the Colorado River in Eastern Grand Canyon.” Journal of Geophysical Research: Earth Surface 111, no. F2 (June 2006).

Phillips, Arthur M., III. Grand Canyon Wildflowers. Grand Canyon, AZ: Grand Canyon Natural History Association, 1979.

Phillips, Steven J., Patricia Wentworth Comus, and Mark A. Dimmitt, eds. A Natural History of the Sonoran Desert. 2nd ed. Tucson: Arizona-Sonora Desert Museum Press, 2015.

Pittman, Sarah. “How Kaskade Became the First DJ to Perform on the Grand Canyon West’s Skywalk.” Pollstar, June 19, 2020.

“Polly and Preston Patraw Oral History.” GRCA 35737, Grand Canyon Museum Collections. Cited by Sarah Ruth Gerke in “A History of Park Service Interpretation at Grand Canyon National Park.”

Potterfield, Peter. “Ultralight: The Ray Jardine Way.” Backpacker, February 1, 1998.

Powell, John Wesley. The Exploration of the Colorado River and Its Canyons. 1875. Reprint, New York: Dover, 1895, and photo reprint, 1961.

———. Report of J. W. Powell: Exploration of the Colorado River of the West and Its Tributaries. Explored in 1869, 1870, 1871, and 1872, under the Direction of the Smithsonian Institution. Washington, DC: Government Printing Office, 1875.

———. “Report on the Lands of the Arid Region of the United States.” Executive Document no. 73, 45th Congress, 2nd Session. 1879. Reprint, Cambridge, MA: Belknap Press of Harvard University Press, 1962.

Prochnik, George. In Pursuit of Silence: Listening for Meaning in a World of Noise. New York: Anchor Books, 2010.

Pyne, Stephen J. Fire on the Rim: A Firefighter’s Season at the Grand Canyon. New York: Ballantine, 1989.

———. How the Canyon Became Grand. New York: Viking, 1998.

Ranney, Wayne. Carving Grand Canyon: Evidence, Theories, and Mystery. Grand Canyon, AZ: Grand Canyon Association, 2012.

Ransom, Dan, director. Last of the Great Unknown: The Story of Grand Canyon’s Hidden Slot Canyons, the Canyoneers Who Systematically Explored Their Drainages, and the Secrets Hidden Deep within Their Walls. Salt Lake City, UT: A Dan Ransom Production, 2012.

Reid, T. R. “The Sound and the Fury.” Washington Post, March 23, 1986.

Reilly, P. T. Lee’s Ferry: From Mormon Crossing to National Park. Edited by Robert H. Webb. Logan: Utah State University Press, 1999.

Reimondo, Amber. “Biden Designates Baaj Nwaavjo I’tah Kukvenie—Ancestral Footprints of the Grand Canyon National Monument.” Grand Canyon Trust. August 8, 2023. https://www.grandcanyontrust.org/blog/biden-designates-baaj-nwaavjo-itah-kukveni-grand-canyon-national-monument.

Reisner, Marc. Cadillac Desert: The American West and Its Disappearing Water. New York: Penguin, 1986.

“Report on Effect of Aircraft Overflights on the National Park System.” National Park Service, U.S. Department of Interior. Prepared Pursuant to Public Law 100-91, The National Park Service Overflights Act of 1987. July 1995. https://ia600603.us.archive.org/1/items/reportoneffectso00nati/reportoneffectso00nati.pdf.

“Report to Congress: Report on Effects of Aircraft Overflights on the National Park System—Executive Summary, Appendixes.” National Park Service, U.S. Department of the Interior. July 1995. https://ia600603.us.archive.org/1/items/reportoneffectso00nati/reportoneffectso00nati.pdf.

“Report to Congress: Report on Effects of Aircraft Overflights on the National Park System—Full Report.” National Park Service, U.S. Department of the Interior. September 12, 1994. https://www.nonoise.org/library/npreport/intro.htm#top.

Reynolds, Christopher. “Hey, Sin City, Top This: Grand Canyon West’s Skywalk.” Los Angeles Times, March 11, 2007.

Ribokas, Bob. “Grand Canyon Explorer.” See https://www.bobspixels.com/kaibab.org/.

Ritter, Ken, and Felicia Fonseca. “Grand Canyon Skywalk Developer David Jin Dies in L.A.” Las Vegas Review Journal, June 14, 2013.

Robbins, Jim. “Buzzing the National Parks.” New York Times, July 29, 1990.

Roberts, David. “Below the Rim: Humans Have Roamed the Grand Canyon for More Than 8,000 Years. But the Chasm Is Only Slowly Yielding Clues to the Ancient Peoples Who Lived Below the Rim.” Smithsonian Magazine, June 2006.

———. “Who Can Save the Grand Canyon? A Holy War Is Being Fought over a Proposal to Build a $500 Million Commercial Development, on the Rim of America’s Natural Treasure.” Smithsonian Magazine, March 2015.

Rudow, Rich. “The Grandest Walk: A 700-Mile Thru-Hike below the Rims.” Hyperlite Mountain Gear. https://www.hyperlitemountaingear.com/blogs/ultralight/the-grandest-walk-a-700-mile-thru-hike-below-the-rim.

Runte, Alfred. “The National Park Idea: Origins and Paradox of the American Experience.” Journal of Forest History, April 1977.

———. National Parks: The American Experience. Lanham, MD: Taylor Trade, 2010.

Rusho, W. L. Lee’s Ferry: Desert River Crossing. Salt Lake City, UT: Tower Productions, 1998.

Sada, Donald W. Review of Isolated Water in North America’s Deserts, Lessons in the Importance of Small Ecological Systems, by Lawrence E. Stevens and Vicky J. Meretsky. Ecology 90, no. 10 (2009): 2965.

Sadler, Christa. Life in Stone: Fossils of the Colorado Plateau. Grand Canyon, AZ: Grand Canyon Association, 2005.

———, ed. There’s This River . . . Grand Canyon Boatman Stories. Flagstaff, AZ: This Earth Press, 2006.

Sanders, Diethard, Lukas Wischounig, Alfred Gruber, and Marc Ostermann. “Inner Gorge–Slot Canyon System Produced by Repeated Stream Incision (Eastern Alps): Significance for Development of Bedrock Canyons.” Geomorphology 214 (2014): 465–84.

Santucci, V. L., and J. S. Tweet, eds. “Grand Canyon National Park: Centennial Paleontological Resource Inventory (Non-sensitive Version).” Natural Resource Report NPS/GRCA/NRR–2020/2103. Fort Collins, CO: National Park Service, 2020.

Sarah, Robert Cardinal. The Power of Silence: Against the Dictatorship of Noise. San Francisco: Ignatius Press, 2017.

Sax, Joseph L. Mountains without Handrails: Reflections on the National Parks. Ann Arbor: University of Michigan Press, 1980.

Scarborough, R. B. “Radioactive Occurrences and Uranium Production in Arizona.” Arizona Geological Survey Open File Report, OFR-81-01. 1981.

Schaafsma, Polly. Indian Rock Art of the Southwest. Albuquerque: University of New Mexico Press, 1986.

———. “Shaman’s Gallery: A Grand Canyon Rock Art Site,” Kiva 55, no. 3 (1990): 213–34.

———. “Shaman’s Gallery: A Grand Canyon Rock Art Site. AS B:9:201.” In Report for Grand Canyon National Park, 1988.

———.“Trance and Transformation in the Canyons: Shamanism and Rock Art on the Colorado Plateau.” In The Archaeology of Horseshoe Canyon. Washington, DC: National Park Service, Department of the Interior, 1994.

Schenk, Edward R., Jeff S. Jenness, and Lawrence E. Stevens. “Declines in an Aridland River’s Base Flow due to Increasing Air Temperature: Implications for Springs Ecosystems.” Journal of the Arizona-Nevada Academy of Science 49, no. 2 (2021): 92–98.

Schmidt, Jeremy. Grand Canyon National Park: A Natural History Guide. New York: Houghton Mifflin, 1993.

Schultheis, Rob. The Hidden West: Journeys in the American Outback. New York: Random House, 1978.

Schwartz, Douglas W. On the Edge of Splendor: Exploring Grand Canyon’s Human Past. Santa Fe, NM: School of American Research, 1989.

Seckel, Scott. “A True Story about Three People, Passion, a Place—and Triumphing over Tragedy.” Arizona State University News, February 28, 2019. https://news.asu.edu/20190221-arizona-impact-love-and-loss-grand-canyon.

Seelye, Katharine Q. “Overlooked No More: Emma Gatewood, First Woman to Conquer the Appalachian Trail Alone.” New York Times, June 27, 2018.

Sein, Lara A. “What to Eat When Hiking? 4 Rules for Backpacking Food.” Outdoors with No Limits. August 14, 2022. https://outdoorswithnolimits.com/what-to-eat-when-hiking/.

Sevigny, Melissa L. Brave the Wild River: The Untold Story of Two Women Who Mapped the Botany of the Grand Canyon. New York: W. W. Norton, 2023.

Shalla, Elyssa, and Matt Jenkins. “Amongst the Canyon Walls: Traversing the Length of Grand Canyon by Foot.” https://express.adobe.com/page/OYN4y/.

Shepherd, Jeffrey P. We Are an Indian Nation: A History of the Hualapai People. Tucson: University of Arizona Press, 2010.

Smiley, Francis E. “The Ancient Ones: Ten Thousand Years of Hunting and Gathering at Grand Canyon.” In Archaeology of Grand Canyon, edited by Smiley, Downum, and Smiley, 27–60.

Smiley, Francis E., Christian E. Downum, and Susan G. Smiley, eds.. The Archaeology of Grand Canyon: Ancient Peoples, Ancient Places. Grand Canyon, AZ: Grand Canyon Association, 2017.

Smiley, Francis E., and Susan G. Smiley. “Corn Comes to the Grand Canyon: Preformative Farmers on the Central Colorado Plateau.” In Archaeology of Grand Canyon, edited by Smiley, Downum, and Smiley, 61–88.

Smith, Dwight L., and C. Gregory Crampton, eds. The Colorado River Survey: Robert B. Stanton and the Denver, Colorado Canyon and Pacific Railroad. Salt Lake City, UT: Howe Brothers, 1987.

Smith, Roger A. Batchit, Arizona: The Rise and Fall. Kingman, AZ: Batchit AZ Books, 2020.

Smoak, Gregory E. “The Mormons and the Ghost Dance of 1890.” Pierre: South Dakota Historical Society Press, 1987.

Sowards, Adam M. “The Man Who Tried to Claim the Grand Canyon.” JSTOR Daily, July 31, 2019. https://daily.jstor.org/the-man-who-tried-to-claim-the-grand-canyon/.

Spangler, Sharon. On Foot in the Grand Canyon: Hiking the Trails of the South Rim. Portland, OR: WestWinds Press, 1991.

“Special Flight Rules Area in the Vicinity of Grand Canyon National Park: Actions to Substantially Restore Natural Quiet—Final Environmental Impact Statement FES 12-21.” Grand Canyon National Park, National Park Service, U.S. Department of the Interior. June 2012. https://rrfw.org/sites/default/files/documents/Overflights_FEIS_Volume_One_June_2012.pdf.

Spence, Mark David. Dispossessing the Wilderness: Indian Removal and the Making of the National Parks. New York: Oxford University Press, 1999.

Stanton, Robert Brewster. Colorado River Controversies. New York: Dodd, Mead, 1932.

———. Down the Colorado. Norman: University of Oklahoma Press, 1965.

Steck, George. Hiking Grand Canyon Loops: Adventures in the Backcountry. Helena, MT: Falcon Guides, 2002. This includes both Grand Canyon Hikes I and Grand Canyon Hikes II, both of which were published by Chockstone Press in 1989 and 1993.

Stegner, Wallace. Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West. New York: Penguin, 1953.

———. “Glen Canyon Submersus.” In The Sound of Mountain Water. New York: Penguin, 1946.

———. Mormon Country. Lincoln: University of Nebraska Press, 1942.

Stevens, Larry. The Colorado River in Grand Canyon: A River Runner’s Map and Guide to Its Natural and Human History. Flagstaff, AZ: Grand Canyon Wildlands Council, 2013.

Stevens, Lawrence E. “The Biogeographic Significance of a Large, Deep Canyon: Grand Canyon of the Colorado River, Southwestern USA.” In Global Advances in Biogeography, edited by Lawrence Stevens. IntechOpen, 2012. DOI:10.5772/1940.

Stevens, Lawrence E., and Bryan T. Brown. “Foraging Ecology of Peregrine Falcons (Falco peregrinus) along the Colorado River, Grand Canyon, Arizona.” Southwestern Naturalist 54, no. 3 (2009): 284–99. http://www.jstor.org/stable/40263729.

Stevens, Lawrence E., Kelly J. Burke, John R. Spence, Lonnie Pilkington, and Christopher Hughes. “Colorado River Riparian Ecosystem Rehabilitation in Glen and Grand Canyons, Arizona.” In The Colorado Plateau VI: Science and Management at the Landscape Scale, edited by Laura F. Huenneke, Charles van Riper, and Kelley A. Hays-Gilpin, 353–76. Tucson: University of Arizona Press, 2015.

Stevens, Lawrence E., and Vicky J. Meretsky, eds. Aridland Springs in North America: Ecology and Conservation. Tucson: University of Arizona Press and the Arizona-Sonora Desert Museum, 2008.

Stevens, Lawrence E., and John T. Polhemus. “Biogeography of Aquatic and Semiaquatic Heteroptera in the Grand Canyon Ecoregion, Southwestern USA.” Monographs of the Western North American Naturalist 4 (2008): 38–76.

Stoffle, Richard W., Lawrence Loendorf, Diane E. Austin, David B. Halmo, and Angelita Bulletts. “Ghost Dancing the Grand Canyon: Southern Paiute Rock Art, Ceremony, and Cultural Landscapes.” Current Anthropology 41, no 1 (February 2000).

“Stopping Grand Canyon Escalade.” Grand Canyon Trust. https://www.grandcanyontrust.org/stopping-grand-canyon-escalade.

St. Pierre, Mike. “Prepping for a Grand Canyon Thru-Hike: A Guide to Multi-sport Expedition Planning.” Hyperlite Mountain Gear. https://www.hyperlitemountaingear.com/blogs/ultralight/prepping-for-a-grand-canyon-thru-hike-a-guide-to-multi-sport-expedition-planning.

———. “Ultralight Backpacking Food Prep for Extreme Thru-Hikes.” Hyperlite Mountain Gear. https://www.hyperlitemountaingear.com/blogs/ultralight/ultralight-backpacking-food-prep-for-extreme-thru-hikes.

Streep, Abe. “The Tribes vs. Donald Trump.” Outside, May 1, 2018.

“A Study of Seeps and Springs.” Grand Canyon National Park. https://www.nps.gov/grca/learn/nature/seepspringstudy.htm.

Sullivan, Steve. “2022 Backcountry and River Use Statistics.” Grand Canyon Backcountry Information Center, 2022.

Supplee, Serena. Grand Canyon Calling: An Artist’s Relationship with the Grand Canyon. Moab, UT: Lily Canyon Books, 2016.

Suran, William C. The Kolb Brothers of Grand Canyon. Grand Canyon, AZ: Grand Canyon Association, 2003.

Sutphen, Debra. “‘Too Hard a Nut to Crack’: Peter D. Berry and the Battle for Free Enterprise at the Grand Canyon, 1890–1914.” Journal of Arizona History 32, no. 2 (Summer 1991): 153–72. Grand Canyon, AZ: Grand Canyon Association, 2007.

Sweet, Dan. “Helicopter Sightseeing at the Grand Canyon.” Rotor Magazine, June 1, 2018.

Tabuchi, Hiroko. “Uranium Miners Pushed Hard for a Comeback. They Got Their Wish.” New York Times, January 13, 2018.

Tarr, Joel A. “The Changing Faces of Pittsburgh: A Historical Perspective.” National Library of Medicine: National Center for Biotechnology Information. https://www.ncbi.nlm.nih.gov/books/NBK222035/.

———, ed. Devastation and Renewal: An Environmental History of Pittsburgh and Its Region. Pittsburgh: University of Pittsburgh Press, 2005.

Teal, Louise. Breaking into the Current: Boatwomen of the Grand Canyon. Tucson: University of Arizona Press, 1994.

Thayer, David. An Introduction to Grand Canyon Fossils. Grand Canyon, AZ: Grand Canyon Association, 2009.

Theobald, Bill. “Critics: Grand Canyon Flight Regulation Will Increase Noise.” Arizona Republic, April 29, 2015.

Thybony, Scott. “Canyon Commentary: A Canyon Disappearance.” KNAU News Talk, Arizona Public Radio, September 22, 2017.

———. Grand Canyon National Park: 100 Views. Grand Canyon, AZ: Grand Canyon Conservancy, 2019.

———. Rock Art of the American Southwest. Berkeley, CA: Graphic Art Books, 1994.

Tilousi, Carletta. “Why Do We Need to Mine Uranium in the Grand Canyon?” Newsweek, January 15, 2018.

Timmons, Michael J., and Karl E. Karlstrom. Grand Canyon Geology: Two Billion Years of Earth’s History. Boulder, CO: Geological Society of America, 2012.

Trimble, Stephen. Lasting Light: 125 Years of Grand Canyon Photography. New York: Cooper Square, 2006.

Turner, Jack. The Abstract Wild. Tucson: University of Arizona Press, 1996, 125.

Tuweep Geology Bulletin. Grand Canyon National Park, National Park Service, U.S. Department of the Interior. https://www.nps.gov/grca/planyourvisit/upload/2022-10-26_TuweepGeology.pdf.

Vivian, R. Gwinn. “Polly Schaafsma: Imagery and Anthropology.” New Mexico Historical Review 90, no. 2 (2015).

Walker, Lawrence R., and Frederick H. Landau. A Natural History of the Mojave Desert. Tucson: University of Arizona Press, 2018.

Waring, Gwendolyn L. A Natural History of the Intermountain West: Its Ecological and Evolutionary Story. Salt Lake City: University of Utah Press, 2011.

———. The Natural History of the San Francisco Peaks: A Sky Island of the American Southwest. Flagstaff, AZ: Gwendolyn L. Waring, 2018.

Warner, Ted J., ed. The Dominguez-Escalante Journal: Their Expedition through Colorado, Utah, Arizona, and New Mexico in 1776. Salt Lake City: University of Utah Press, 1995.

Wasser, Miriam. “Will Trump Dump on Grand Canyon? Experts Say Risk of Mining Not Worth Reward.” Phoenix New Times, January 11, 2018.

Webb, Robert H. Grand Canyon, a Century of Change: Rephotography of the 1889–1890 Stanton Expedition. Tucson: University of Arizona Press, 1996.

Weber, Steven A., and P. David Seaman, eds. Havasupai Habitat: A. F. Whiting’s Ethnography of a Traditional Indian Culture. Tucson: University of Arizona Press, 1985.

Wehrman, Robert. “Colin Fletcher, the Father of Modern Backpacking.” Adventure Journal, July 15, 2021.

———. “Fumbling toward Fulfillment: The Metamorphosis of Colin Fletcher.” Adventures Northwest Magazine, February 26, 2021.

———. Walking Man: The Secret Life of Colin Fletcher. Pennsauken Township, NJ: BookBaby, 2016.

Weisiger, Marsha. Dreaming of Sheep in Navajo Country. Seattle: University of Washington Press, 2009.

Welch, Vince, Cort Conley, and Brad Dimock. The Doing of the Thing: The Brief and Brilliant Whitewater Career of Buzz Holmstrom. Flagstaff, AZ: Fretwater Press, 2004.

Wilkinson, Charles. The Eagle Bird: Mapping a New West. New York: Vintage Books, 1993.

———. Fire on the Plateau: Conflict and Endurance in the American Southwest. Washington, DC: Island Press, 1999.

Williams, Terry Tempest. Refuge: An Unnatural History of Family and Place. New York: Knopf Doubleday Publishing Group, 1992, 148.

Williams, Tyler. Canyoneering Arizona. Rev. ed. Flagstaff, AZ: Funhog Press, 2005.

———. Grand Canyon River Hikes. Flagstaff. AZ: Funhog Press, 2000.

Willink, Roseann Sandoval, and Paul G. Zolbrod. Weaving a World: Textiles and the Navajo Way of Seeing. Santa Fe: Museum of New Mexico Press, 1996.

Wilson, Alan, and Gene Dennison. Navajo Place Names: An Observer’s Guide. Guilford, CT: Jeffrey Norton Publishers, 1995.

Wilson, Edward O. Half-Earth: Our Planet’s Fight for Life. New York: Norton, 2016.

Wolf, Andrea. The Invention of Nature: Alexander Humboldt’s New World, New York: Alfred A. Knopf, 2015.

Woods, Alden. “Grand Canyon Helicopter Crash: Experts Say Crowded Airspace Is ‘a Recipe for Disaster.’” Arizona Republic, February 11, 2018.

Worster, Donald. “Environmental History: The View at the Grand Canyon.” In History of the National Park Service. National Park Service. https://www.nps.gov/parkhistory/hisnps/NPSHistory/environmentalhistory.htm.

———. A River Running West: The Life of John Wesley Powell. New York: Oxford University Press, 2001.

———. Rivers of Empire: Water, Aridity, and the Growth of the American West. New York: Oxford University Press, 1985.

Zwinger, Ann Haymond. Downcanyon: A Naturalist Explores the Colorado River through the Grand Canyon. Tucson: University of Arizona Press, 1995.

———. The Mysterious Lands: A Naturalist Explores the Four Great Deserts of the Southwest. Tucson: University of Arizona Press, 1989.

———. Run, River, Run: A Naturalist’s Journey down One of the Great Rivers of the American West. Tucson: University of Arizona Press, 1975.

———. “White-Winged Doves and Desert Bighorns.” In Counting Sheep: 20 Ways of Seeing Desert Bighorn, edited by Gary Paul Nabhan. Tucson: University of Arizona Press, 1993.

———. Wind in the Rock. New York: Harper & Row, 1978.


Maps and Tables


Backcountry Trail Distances

Grand Canyon National Park. https://www.nps.gov/grca/planyourvisit/trail-distances.htm.


Geological Map of the Grand Canyon

Generated by George Billingsley and others at the U.S. Geological Survey. https://rclark.github.io/grand-canyon-geology/#11/36.1495/-111.9874.


Geological Timeline of the Grand Canyon

Brian F. Gootee. Arizona Geological Survey Open-File Report OFR-19-02, with supplemental resource document for Geological Timeline of the Grand Canyon. 2019. https://repository.arizona.edu/handle/10150/631779.


Historic Grand Canyon Maps

The 1893 Grand Canyon Forest Reserve, the 1906 Grand Canyon Game Preserve, the 1908 Grand Canyon National Monument, the 1919 Grand Canyon National Park, and the present-day boundaries of the park following the 1975 Grand Canyon Enlargement Act. “Historic Boundaries Map.” Grand Canyon Trust. https://www.grandcanyontrust.org/grand-canyon-historic-boundaries-map. All of these maps, together with an eclectic and valuable mix of other cartographic representations, can be found at Jeff Ingram’s web page, Celebrating the Grand Canyon. https://gcfutures.blogspot.com/p/some-maps.html.


Tonto Trail Distances Table, East and West

Grand Canyon National Park. https://www.nps.gov/grca/planyourvisit/upload/Tonto_Distances.pdf.


Other Resources

American Canyoneering Association

(435) 826-4714

http://www.canyoneering.net


Cline Library Special Collections and Archives

at Northern Arizona University

1001 Knoles Drive

Flagstaff, AZ 86011

(928) 523-2173

https://nau.edu/special-collections/


Coalition of American Canyoneers

https://www.americancanyoneers.org


Crow Canyon Archaeological Center

23390 CRK

Cortez, CO 81321

(800) 422-8975

https://crowcanyon.org/


Donora Historical Society and Smog Museum

595 McKean Avenue

Donora, PA 15033

https://sites.google.com/site/donorahistoricalsociety/home


Grand Canyon Conservancy

P.O. Box 399, Grand Canyon, AZ 86023

(800) 858-2808

https://www.grandcanyon.org


Grand Canyon Hikers and Backpackers Association

PO Box 30233

Flagstaff, AZ 86003

https://gchba.org/


Grand Canyon National Park Museum Collection

2 Albright Avenue, Grand Canyon Village

Grand Canyon National Park, AZ 86023

(929) 638-7769

https://www.nps.gov/grca/learn/historyculture/muscol.htm


Grand Canyon National Park Research Library

20 South Entrance Road, Grand Canyon Village

Grand Canyon National Park, AZ 86023

(928) 638-7768

https://www.nps.gov/grca/learn/historyculture/reslib.htm


The Grand Canyon Trust

2601 North Fort Valley Road

Flagstaff, AZ 86001

(928) 774-7488

https://www.grandcanyontrust.org/


Map and Geospatial Hub, Arizona State University

Room 334, Hayden Library

300 East Orange Mall

Tempe, AZ 85287

(480) 727-2565

https://lib.asu.edu/geo


Ioana Elise Hociota!!! Memorial Mathematics Scholarship

Arizona State University

For donations or application, see https://www.asufoundation.org/colleges-and-programs/schools-and-colleges/the-college-of-liberal-arts-and-sciences/ioana-elise-hociota-memorial-mathematics-scholarship-CA101332.html.


Museum of Northern Arizona

3101 North Valley Road

Flagstaff, AZ 86001

(928) 774-5213

http://musnaz.org


Raven’s Perch Media

Bibliographical and Historical Resources in the Grand Canyon

and Lower Colorado River Regions of the United States and Mexico

Contact: earlespamer@gmail.com

https://ravensperch.org/


Springs Stewardship Institute

414 North Humphreys Street, Flagstaff, AZ 86001

(928) 440-3191

https://springstewardshipinstitute.org/