ALASKA 
ATLANTIC 
GULF OF 
MEXICO 
MAP ILLUSTRATING THE DISAPPEARANCE OF THE BISON 
The outer dark line indicates the area formerly inhabited by Bison 
(Mainly after J. A. Allen) 
The inner shaded areas indicate the range of the great northern and southern herds 
in 1870, after the building of the Union Pacific Railway 
(After Hornaday) 
The present distribution of the chief Bison herds is indicated by the following numbers: 
DIN OSE ONS 
Range of Wood Bison 
Buffalo Park, Wainwright, Alta. 
. Montana National Bison Range, Dixon, Mont. 
Yellowstone National Park, Wyoming 
Salt Lake City, Utah 
Pierre, South Dakota 
La Vela Pass, Colorado 
Wichita National Game Reserve, Cache, Okla. 
