Expeditions & surveys; Railroad surveys; Bison; Cheyenne River; Lake Jessie
Ascending a high hill after crossing the Sheyenne (Cheyenne) River, the expedition looked out upon an estimated 200,000 buffalo inhabiting the plains separating them from Lake Jessie. Plate X.
"This valley for the most part is wide and open." There are "spurs separating it from the Hell-Gate Valley on the south," and "separate on the north the various tributaries flowing into the Blackfoot River." Plate LXII.