Expeditions & surveys; Railroad surveys; Fort Benton (Mont.); Missouri River
"Fort Benton stands on the eastern bank of the Missouri, near the Great Bend." "The river is here perfectly transparent at most seasons of the year. The Teton River empties into the Missouri six miles below Fort Benton; the Marias...
Expeditions & surveys; Railroad surveys; Mouse River (N. Dakota)
"Near Mouse River there are salt marshes" "and in some places deposits of salt a quarter of an inch thick." Mouse River valley "resembles that of the Sheyenne (Cheyenne). High ridges divide the plateau bordering the stream...
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.
"The Columbia River at Fort Colville is about three hundred and fifty yards wide just above the Sometknu, or Kettle Falls. These consist of two pitches, one of fifteen feet and another below it of ten, and the river is narrowed to two hundred...
Drawing depicts Milk River with Bears Paw Mountain in the distance. Bears Paw, "a broad and rugged mountain upheaval, stretches from Milk River to the Missouri." Plate XXII.
Expeditions & surveys; Railroad surveys; Milk River (Mont.)
"The valley of the Milk River is wide and open, with a very heavy growth of cottonwood as far as the eye can reach, which is also to be found along the adjacent shores of the Missouri River." Plate XVIII.