Photographic Prints from the US Geological Explorations of the Fortieth Parallel and the US Geographical Surveys West of the One Hundredth Meridian

Photographic Prints from the US Geological Explorations of the Fortieth Parallel and the US Geographical Surveys West of the One Hundredth Meridian, MC-0682. Massachusetts Institute of Technology. Libraries. Department of Distinctive Collections. https://archivesspace.mit.edu/repositories/2/resources/1174 Accessed September 22, 2023.