Expeditions & surveys; Railroad surveys; Hellgate River (Mont.); Floods
Lieutenant Mullan and party crossing the Hell-Gate River. This river being flooded, "his whole party and property were nearly lost in using a raft unmanageable in the swift current." Plate LVI.
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.