1943 and 1944. Stanford Geospatial Center. This polygon shapefile is an index to 1:3,000,000 scale maps of Eastern hemisphere (Africa, Asia, and Europe), titled 'Sanbyakumanbunnoichi Ōa Kōkū...
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Hijmans, Robert J. This polygon shapefile contains the boundary of Canada (adm0). This layer is part of the Global Administrative Areas 2015 (v2.8) dataset. University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the first-level administrative divisions of Canada (adm1). Level 1 divisions include provinces and territories. Thi... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the second-level administrative divisions of Canada (adm2). Level 2 divisions include census divisions (counties). ... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the third-level administrative divisions of Canada (adm3). Level 3 divisions include census subdivisions (municipal... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
1987. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.
1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.
1949. All China Marketing Research Co., Ltd. This polygon dataset represents city boundaries in China from 1949. The attribute table includes the GB codes and names in Chinese and English (Pin... China Data Center, University of Michigan.
1950. All China Marketing Research Co., Ltd. This polygon dataset represents city boundaries in China from 1950. The attribute table includes the GB codes and names in Chinese and English (Pin... China Data Center, University of Michigan.
1951. All China Marketing Research Co., Ltd. This polygon dataset represents city boundaries in China from 1951. The attribute table includes the GB codes and names in Chinese and English (Pin... China Data Center, University of Michigan.