To provide a map of wild areas in geographic projection which can be used in wildlife conservation planning, natural resource management, and research on human-environment interactions.

To provide attribute and boundary data for Mexico for conducting assessments of human interactions with the environment.

To identify remaining natural vegetation types in Central America.

To provide information on China's population and agricultural economy from the 1990 census, and geocoded 1990 China county boundary GIS data at 1:1M.

To provide county-level social information of China in a series of tables from the China Provincial Economic Yearbook data for 1990 and 1991.

To provide fundamental GIS maps of China, and neighboring countries and regions.

To provide information of geographical locations, areas, administrative division codes, and names for the administrative regions of China.

To provide information on the geographical locations, areas, administrative division codes, and names of the administrative regions of China.

To provide county and state boundary data for the U.S.

To provide an authoritative boundary layer for the geographies associated with the Public Use Micro Sample (PUMS) data files.

To provide the ATSDR polygon data set of hazardous waste sites in the United States, which can be used to identify nearby populations and assess their potential risk.

To provide an urban place GIS coverage of Mexico.