1999. This polygon shapefile contains ice observations in the Arctic region for April 9, 1999. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
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1809. Lapie, M. (Pierre), 1779-1850 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic regional map of Southern Africa originally created by Pierre Lapie in 1809. All map colla... Stanford Digital Repository.
2011. United States. Federal Highway Administration and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States metropolitan planning boundaries. The United States Metropolitan Planning Organization (MPO) Database... United States. Bureau of Transportation Statistics.
1996. This polygon shapefile contains ice observations in the Arctic region for April 1, 1996. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1922. National Geographic Society (U.S.). Scale approximately 1:12,000,000. Includes inset: Cape Verde Islands, and note on transliteration system. prepared especially for the National Geog... The Society.
1922. National Geographic Society (U.S.). Scale approximately 1:12,000,000. Includes inset: Cape Verde Islands, and note on transliteration system. prepared especially for the National Geog... The Society.
2013. Geological Survey (U.S.). This point shapefile contains selected streamflow gaging stations of the United States, Puerto Rico, and the U.S. Virgin Islands, in 2013. Gaging s... Geological Survey (U.S.).
Bellin, Jacques Nicolas, 1703-1772 and Gmelin, Samuel Gottlieb, 1744-1774. Covers Siberia, Russian Far East, European Russia, with precise depictions of Siberia's rivers Ob, Lena, Enisei and Angara, along with Lake Baikal,... [Hrn Bellin?],.
2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This line shapefile represents major fault lines in Alaska. This map complements the Generalized Geologic Map of the Conterminous United States by ... Geological Survey (U.S.) and National Atlas of the United States.
2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This line shapefile represents major fault lines with line decorations (added for display purposes) in Alaska. This map complements the Generalized... Geological Survey (U.S.) and National Atlas of the United States.