This month’s collection features many of the earliest and most important historical photographs representing the exploration of the American west. The locations and photographers include mammoths views of Yosemite Valley by Carleton E. Watkins and Charles L. Weed, the route of the Union Pacific Railroad through the Rocky Mountains by A.J. Russell, and others. This image (Digital ID: 435071), entitled “The Valley, From The Mariposa Trail,” is from Charles L. Weed’s Yosemite views (1864).
Source: New York Public Library Digital Gallery
