Photograph list of Timothy H. O'Sullivan, 1871-1873.
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O'Sullivan, Timothy H., 1840-1882
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Timothy O'Sullivan was an early Western photographer. He served with Clarence King on the United States Geological Explorations of the Fortieth Parallel in 1867. From the description of Timothy O'Sullivan photograph, 1988. (Unknown). WorldCat record id: 367900033 Timothy O'Sullivan (1840-1882) began his photography career as an apprentice to Mathew Brady, but he left the Brady gallery to photograph American Civil War battlefields on his own. In 1862 or 1863, he joined the st...
Geographical surveys West of the 100th Meridian (U.S.)
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The Geographical Surveys West of the 100th Meridian, also known as the Wheeler Survey, grew out of the Army's desire to create maps featuring the geological aspects of the West, man-made improvements, and the "conformation, obstacles and resources of the country." Commanded by Lieutenant George Montague Wheeler, the survey was originally intended to cover the territory lying south of the Central Pacific Railroad, but grew in scope by 1872 to a mapping of all of the United States west of the 100t...