A History of Administrative Development in Yellowstone National Park, 1872-1965
Historic Resource Study, Volume III
Park Administrative History, Part I
By Kiki Leigh Rydell and Mary Shivers Culpin National Park Service, Yellowstone Center for Resources Yellowstone National Park, Wyoming YCR-CR-2006-03, 2006
These documents require Adobe Acrobat Reader to be viewed or printed, available free online.
Did You Know?
There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.