1914. U-Spatial. Political national boundaries as they were in 1914. Sources: The Rand McNally New Library Atlas of North America. (1914). Rand McNally & Company....
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1918. U-Spatial. Political national boundaries as they were in 1918. Source: Rand McNally & Company’s New Atlas of the World. (1918). Rand McNally & Company, Chicag...
1939. U-Spatial. Political national boundaries as they were in 1939. Sources: Rand McNally Popular Maps. (1939). Rand McNally & Company acquired April 14, 2016 fro...
1945. U-Spatial. Political national boundaries as they were in 1945. Sources: The World Mercator’s Projection. (1944). Army Map Service, Washington, D.C. Invasion ...
1970. U-Spatial. Political national boundaries as they were in 1970. Source: 1971 Commercial Atlas & Marketing Guide, 102nd Edition. (1971). Rand McNally & Company,...
1990. U-Spatial. Political national boundaries as they were in 1990. Source: Hammond World Map. (1992). Hammond Incorporated.
2000. U-Spatial. Political national boundaries as they were in 2000. Source: United States Central Intelligence Agency. (2000). Library of Congress. Retrieved May 3...
2017. Herb, William, Janke, Ben, Cai, Meijun, Stefan, Heinz, and Johnson, Lucinda. This data set provides maps of typical wind-wave height and energy on Minnesota lakes to inform shoreline and near-shore habitat restoration projec...
2016. U-Spatial. Display the predominant language families by region.
2016. U-Spatial. This map displays predominant language by country, including the percent of the population that speaks the first and second most-used languages. La...