Administrative Regions (Provinces) in the People's Republic of China, 1990.
1990 CITAS Data China in Time and Space [CITAS] datasets have been reprojected to match the CHGIS base datasets.
Separate polygon GIS layers are provided for provinces, prefectures, and counties. See the CHGIS China Dimensions page for a full description of the CITAS datasets.
V4 County layers include statistical data from the 1990 census! See Counties description for details. -- text from CHGIS v4 CD-ROM.