MIT Libraries logo

Search Constraints

Start Over
You searched for: Subject Boundaries Remove constraint Subject: Boundaries Year 1990 Remove constraint Year: 1990
| 11 - 20 of 22 |
Number of results to display per page

Search Results

11. County Boundaries of the United States, 1990

1990. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

12. Historical United States County Boundaries, 1990

1990. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1990. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

13. Nonattainment Areas for Carbon Monoxide Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the carbon mono... United States. Bureau of Transportation Statistics.

14. Nonattainment Areas for Nitrogen Dioxide Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the nitrogen di... United States. Bureau of Transportation Statistics.

15. Nonattainment Areas for Ozone Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3)1... United States. Bureau of Transportation Statistics.

16. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.

17. Population by County, Census: China, 1990

1990. Zhonghua di tu xue she, University of Michigan. China Data Center, China. Guo jia tong ji ju, and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. This polygon dataset represents county boundaries and population data in China from the 1990 Census. This dataset also includes detailed demographi... University of Michigan. China Data Center.

18. Population by County including Ethnicities, Census: China 1990

1990. China. Guo jia tong ji ju, Beijing Hua tong ren shi chang xin xi you xian ze ren gong si, Zhonghua di tu xue she, and University of Michigan. China Data Center. This polygon dataset represents county boundaries and population data in China from the 1990 Census. This layer also includes ethnographic informat... University of Michigan. China Data Center.

19. Provincial Boundaries: China, 1990

1990. China. Guo jia tong ji ju, Beijing Hua tong ren shi chang xin xi you xian ze ren gong si, Zhonghua di tu xue she, and University of Michigan. China Data Center. This polygon dataset represents provincial boundaries in China from 1990. These data were primarily based on the "The Administrative Maps of the Pe... University of Michigan. China Data Center.

20. State Boundaries with Demographics: California, Oregon, & Washington, 1990-1999

1990. California. Department of Fish and Game. Marine Resources Region and California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the state boundaries for California, Oregon, & Washington. Statistical data such as population (1990 and 1999),... California. Department of Fish and Game. Marine Resources Region.