China In Time and Space (CITAS) dataProvide China's county-level data and base maps for the period 1982-1990. Include vectorized base maps, georeferenced social economic data, bibliographic resources and utilities for coding data of administrative units.
Although vectorized administrative boundary data are listed separately, each county-level dataset come bundled with a corresponding boundary file. Depending on the dataset, data are provided in ARC/INFO interchange format, SPSS, or ASCII.