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.
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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.
1670. Herrman, Augustine, 1621 or 1622-1686. Scale approximately 1:475,200. 1 in. = approximately 2.5 leagues; 1 map on 4 sheets; 79 x 95 cm, sheets 41 x 49 cm, in envelope 45 x 52 cm Maps--Fa...
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.
1917. Geological Survey (U.S.). Relief shown by contours and spot heights.; Includes notes. 117 x 106 centimeters Scale 1:31,680 General Map Collection. Department of the Interior, U.S. Geological Survey (Washington).
1929. Geological Survey (U.S.). Relief shown by contours and spot heights.; Road overprint dated "Jan. 1929" printed in red.; "Culture revised in 1927 ..."; Includes notes. 117 x ... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).
1898. Geological Survey (U.S.). Relief shown by contours. Contour interval 20 ft.; "Surveyed in 1885-86 and 95-97."; Text, "Description of the topographic map of the United States... U.S. Geological Survey (Washington?).