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1. 1990 County Boundaries of China with Population Census Data, Part 1

1990. This polygon shapefile represents the 1990 County Boundaries for China. The layer includes population census data and was primarily based on the "T... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

2. 1990 Province Boundaries for China

1990. This polygon shapefile represents the 1990 Province Boundaries for China. The layer was primarily based on the "The Administrative Maps of the Peop... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

3. California Metropolitan Transportation Commission Travel Analysis Zones, 1990

1990. California. Metropolitan Transportation Commission. This polygon shapefile contains regional traffic analysis zones (RTAZ) for the San Francisco Bay Area in California. These data have ben clipped to... California. Metropolitan Transportation Commission.

4. Census Places, 1990 - San Francisco Bay Area, California

1990. California. Metropolitan Transportation Commission. This polygon shapefile contains the Census places for the state based as of January 1, 1990. Places, for the reporting of decennial census data, in... California. Metropolitan Transportation Commission.

5. Census Places, 1990 - San Francisco Bay Area, California (Clipped)

1990. California. Metropolitan Transportation Commission and U.S. Department of Commerce, Bureau of the Census, Geography Division. This polygon shapefile contains the Census places for the San Francisco Bay Area based as of January 1, 2000. These data have been clipped to the s... California. Metropolitan Transportation Commission.

6. Census Tracts, 1990 - San Francisco Bay Area, California

1990. California. Metropolitan Transportation Commission. This polygon shapefile displays Census tracts for the San Francisco Bay Area in California, based on entity boundaries established on January 1, 19... California. Metropolitan Transportation Commission.

7. Census Tracts, 1990 - San Francisco Bay Area, California (Clipped)

1990. California. Metropolitan Transportation Commission. This polygon shapefile displays Census tracts for the San Francisco Bay Area in California based on entity boundaries established on January 1, 199... California. Metropolitan Transportation Commission.

8. China county map, 1990

1990. All China Marketing Research Co., Ltd. Map of administrative divisions in China, at the county level and above, for the year 1990.

9. Cities and Census Designated Places: Russian River Watershed, California, 1990

1990. Circuit Rider Productions. This polygon shapefile contains the boundaries of cities and other Census designated places within the Russian River Watershed region. The Federal ... Circuit Rider Productions.

10. Counties: Russian River Watershed, California, 1990

1990. Circuit Rider Productions. This polygon dataset contains county boundaries and features (usually shorelines). The county outlines were digitized from 1:100,000 scale mylar US... Circuit Rider Productions.