1991. All China Marketing Research Co., Ltd. This polygon dataset represents city boundaries in China from 1991. The attribute table includes the GB codes and names in Chinese and English (Pin... China Data Center, University of Michigan.
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1991. All China Marketing Research Co., Ltd. This polygon dataset represents county boundaries in China from 1991. The attribute table includes the GB codes and names in Chinese and English (P... China Data Center, University of Michigan.
1991. All China Marketing Research Co., Ltd. This polygon dataset represents province boundaries in China from 1991. The attribute table includes the GB codes and names in Chinese and English ... China Data Center, University of Michigan.
1991. Powell, Susan and Navarro, Fernando. This line dataset represents the locations of major roads in Mongolia in 1991. The dataset was developed as part of the Mongolian 20th-century Hist... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This point dataset represents the locations of nature reserves in Mongolia in 1991. Reserves are listed as a type of "state protected nature zones"... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This point dataset represents the locations of specific nature protection measures in place in Mongolia in 1991. The source map legend describes th... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This point dataset represents the locations of springs identified as state protected nature zones ("Staatlich Geschütztes Natur-Objekt") in Mongoli... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This point dataset represents natural landmarks in Mongolia in 1991. Natural landmarks are listed as a type of "state protected nature zones" ("Sta... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This polygon dataset represents national parks in Mongolia in 1991. The names of the parks are included in the attribute information. National park... UC Berkeley Library.
1991. Powell, Susan and Navarro, Fernando. This line dataset represents the location of railroad lines in Mongolia in 1991. The dataset was developed as part of the Mongolian 20th-century Hi... UC Berkeley Library.