Search Maps
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MapHistorical geology sheet, Maryland--District of Columbia--Virginia, Washington quadrangle Relief shown by contours. Geology "Surveyed in 1893-1899." Topography "Surveyed in 1895-86 and 95-97." Includes notes and "Sections" diagram. LC copy halved and mounted on cloth backing. Available also through the Library...
- Contributor: Williams, George Huntington - U.S. Coast and Geodetic Survey - Keith, Arthur - Geological Survey (U.S.) - Wilson, Herbert M. (Herbert Michael) - Darton, Nelson Horatio
- Date: 1899-01-01
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MapMaryland--District of Columbia--Virginia, Washington sheet Geological map. Relief shown by contours. Geology "Surveyed in 1889-1891." Topography "Surveyed in 1885-6." LC copy 1 annotated in ink. Copy 2 laminated and mounted on cloth backing. Copy 3 fold-lined and...
- Contributor: McGee, W J - Geological Survey (U.S.) - Williams, George Huntington - Darton, Nelson Horatio - Gilbert, Grove Karl
- Date: 1891-01-01
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MapEconomic geology sheet, Maryland--District of Columbia--Virginia, Washington quadrangle Relief shown by contours. Also shows artesian water contours. Geology "Surveyed in 1893-1899." Topography "Surveyed in 1885-86 and 95-97." Includes notes and "Sections" diagram. LC copy halved and mounted on cloth backing....
- Contributor: Williams, George Huntington - U.S. Coast and Geodetic Survey - Keith, Arthur - Geological Survey (U.S.) - Wilson, Herbert M. (Herbert Michael) - Darton, Nelson Horatio
- Date: 1899-01-01