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; Teton River (Minn.); Valleys
The Teton Valley, "a vast plain, descending towards the east, the soil of inferior quality, and the dry vegetation indicated the change in the climate observed in going over the high, dry plains towards the Missouri." "The valley...