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; Marias River (Mont.)
Marias River "flows in a channel two or three hundred feet below the prairie level, and is tolerable well wooded. The water was at that time one hundred and fifty feet wide and two to four feet deep, slightly milky, with a swift current and...
Expeditions & surveys; Railroad surveys; Clark Fork River (Mont.); Flathead Lake (Mont.)
The Clark Fork River, "being much cut up by coulees, have the appearance of that on the Upper Missouri. The soil is principally a light yellow clay; the stream here is two hundred yards wide, swift and deep, sparsely timbered with pine and...