Expeditions & surveys; Railroad surveys; Waterfalls; Cliffs; Great Falls (Mont.)
The cliffs at the falls are about "one hundred fifty to three hundred feet deep with a steep descent to within fifty feet of the bottom, and for the remaining distance perpendicular walls of red sandstone." "Above the falls the banks...
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.