Cite

Rumsey, David, 1944-. Southern Pacific Company. (2015). Map Of An Exploring Expedition To The Rocky Mountains in the Year 1842, Oregon & North California In The Years 1843-44. By Brevet Capt. J. C. Fremont Of The Corps Of Topographical Engineers Under the orders of Col. J.J. Abert, Chief Of The Topographical Bureau. Lith. by E. Weber & Co. Baltimore, Md (Raster Image). [GeoTIFF]. Cartography Associates. https://purl.stanford.edu/zq621hs6355