Date: | 1883 |
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Description: | Advertising lithograph depicting the first public demonstration of a mechanical reaper by Cyrus Hall McCormick at Steeles Tavern, Virginia, in 1831. The sc... |
Date: | 1958 |
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Description: | Construction workers O.R. Williams, Fred Mappin, and Rober Garner at the site of the Mammoth Pool Dam on the San Joaquin River in the Sierra Nevada Mountai... |
Date: | 1965 |
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Description: | Writer and conservationist Wallace Stegner, and his wife Mary, during a visit to Alaska as a member of the National Parks Advisory Board and special assist... |
Date: | 03 1932 |
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Description: | Men use International trucks to loads from the cliffs during the construction of the Hoover Dam. One of the men is smoking a cigarette. Two shovels are wor... |
Date: | 1941 |
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Description: | Drawing of a railroad employee standing on a handcar on the tracks painting the surface of a "tunnel" with a brush. Another man is looking at him with a ha... |
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