Hot Springs at their source in Lou Lou Fork, Bitterroot Mountains, Montana, USA, 1856. A print from Reports of Explorations and Surveys to Ascertain the Most Practicable and Economical Route for a Railroad from the Mississippi River to the Pacific Ocean made under the direction of the Secretary of War in 1853-1855, Volume III, Washington, Beverley Tucker, 1856.
Pixel Dimensions (W x H) : 4997x3498
File Size : 51,210kb