Dr. Jeff Martin’s work with Grand Canyon/Colorado Plateau bison

"Late Pleistocene and Holocene Bison of the Colorado Plateau" by Jeff M. Martin, Rachel A. Short, and Jim I. Mead

"Reevaluation of Bison Remains from the Greater Grand Canyon Region and the Colorado Plateau: Native or Non-Native?" by Jeff M. Martin and Jim I. Mead

"Late Pleistocene and Holocene Bison of Grand Canyon and Colorado Plateau: Implications from the Use of Paleobiology for Natural Resource Management Policy" Master's Thesis by Jeff M. Martin

Conservation in the Late 19th Century 

"The Extermination of the American Bison" by William T. Hornaday

Buffalo Bill’s work to save bison

"Buffalo Bill and the Fight to Save Yellowstone's Wildlife" by Jeremy Johnston, Buffalo Bill Center of the West

"How Buffalo Bill Got His Name" by the Park County Travel Council 

Charles Jesse “Buffalo” Jones

US Army Guarding Bison in Yellowstone National Park

North American Model

For more information on John Muir:

Exhibit by the Sierra Club on John Muir

"John Muir's Yosemite" by Terry Perrottet, Smithsonian Magazine

PBS Biography of Joh