1915. Soils surveyed by W.J. Latimer, in charge ...; Soil types designated by colors. 86 x 100 centimeters Scale not given. General Map Collection. Bureau of Soils (Washington).
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1915. Soils survey by M.W. Beck, in charge, and A.L. Goodman.; Soil types designated by colors. 84 x 84 centimeters Scale not given. General Map Collection. Bureau of Soils (Washington).
1919. Geological Survey (U.S.), Marshall, R. B. (Robert Bradford), 1867-1949, and United States. Army. Corps of Engineers. Relief shown by contours. Contour interval 5 feet. "R.B. Marshall, Chief Geographer, W.H. Herron, Geographer in charge; Topography by J.F. McCook a...
1919. Geological Survey (U.S.), Marshall, R. B. (Robert Bradford), 1867-1949, and United States. Army. Corps of Engineers. Relief shown by contours. Contour interval 5 feet. "R.B. Marshall, Chief Geographer, W.H. Herron, Geographer in charge; Topography by C.B. Childs ....
2006. United States. Agricultural Research Service. This polygon shapefile portrays the spread, by year, of the Africanized honey bee (AHB) in the United States, Puerto Rico, and the U.S. Virgin Isla... National Atlas of the United States.
2005. Geological Survey (U.S.). This polygon shapefile portrays the state boundaries of the United States, and the boundaries of Puerto Rico and the U.S. Virgin Islands. The map l... Geological Survey (U.S.).
1926. United States. Bureau of Public Roads. Shows various types of federal roads, pavement types shown by letters.; "Published in accordance with Act of Congress approved Nov. 9, 1921, creati... Bureau of Public Roads (Washington, D. C).
2005. National Atlas of the United States. This polygon shapefile portrays the time zones of the United States, Puerto Rico, and the U.S. Virgin Islands. Also included are the Greenwich Mean... National Atlas of the United States.
2005. National Atlas of the United States. The Topographic and Bathymetric Shaded Relief of North America map layer shows depth and elevation ranges using colors, with relief enhanced by sha... National Atlas of the United States.
2011. United States. Bureau of Transportation Statistics. This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atl... U.S. Geological Survey.