Subject Source: Thesaurus For Graphic Materials (Tgm)Scope Note: Predominant paper print photographic process in the 1800s; popular 1850s-1890s.
Found in 1 Collection or Record:
Photographic Prints from the U.S. Geological Explorations of the Fortieth Parallel and the U.S. Geographical Surveys West of the One Hundredth Meridian
Scope and Contents of the Collection Four major surveys (King, Powell, Hayden, Wheeler) of the geography and geology of the western United States were authorized by the U.S. government in the years after the Civil War. The King Survey was established by Congress (Acts of March 2, 1867) in the Office of the Chief of Engineers, War Department; the Wheeler Survey was officially established by Congress (Act of June 10, 1872). This majority of photographic prints in this collection were taken by Timothy H. O'Sullivan for...
Dates: 1867 - 1872