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1. 1:1,000,000-Scale County Boundaries of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).

2. Administrative Counties of England and Wales, 1911

1911. Southall, Humphrey, Aucott, Paula, Bennett, Chris, and University of Portsmouth. These are digital boundaries for the system of counties essentially created by the 1889 Local Government Act and continuing to exist until 1974. Th... University of Portsmouth.

3. Administrative Counties of England and Wales, 1921

1921. Southall, Humphrey, Aucott, Paula, Bennett, Chris, and University of Portsmouth. These are digital boundaries for the system of counties essentially created by the 1889 Local Government Act and continuing to exist until 1974. Th... University of Portsmouth.

4. Administrative County Boundaries: United States and Territories, 2011

2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States administrative county boundaries extracted from the U.S. Census Bureau's MAF/TIGER Database (MTDB). T... United States. Bureau of Transportation Statistics.

5. China County Map with 2010 Population Census Comparation Data from Long Form Data

2010. University of Michigan. China Data Center and Beijing Hua tong ren shi chang xin xi you xian ze ren gong si. This polygon shapefile represents the boundaries of counties in China with 2010 Population Census Long Form data. Two types of questionnaires (long... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

6. China County Map with 2010 Population Census Comparation Data from Short Form Data

2010. Beijing Hua tong ren shi chang xin xi you xian ze ren gong si and University of Michigan. China Data Center. This polygon shapefile represents the boundaries of counties in China with 2010 Population Census Short Form data. Two types of questionnaires (lon... Beijing Hua tong ren shi chang xin xi you xian ze ren gong si.

7. Coastal Counties, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the 15 coastal counties in California. These counties were extracted from the Counties, California 2000 (county24... California. Department of Fish and Game. Marine Resources Region.

8. Counties, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents counties in California. These boundaries were created by digitized 24K quad base maps. This layer is part of a co... California. Department of Fish and Game. Marine Resources Region.

9. Counties, Northeast United States, 2007

2007. United States. National Oceanic and Atmospheric Administration, United States. National Ocean Service, and United States. Department of Commerce. This polygon shapefile represents county boundaries in the Northeastern United States. The TIGER/Line Shapefiles are an extract of selected geograp... United States. National Ocean Service.

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.

11. Counties: San Francisco Bay Area and Santa Cruz County, California, 2010

2010. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon file depicts boundaries of the nine counties in the San Francisco Bay Area Region, California. The Bay Area Open Space Council officia... Bay Area Open Space Council.

12. Counties: San Francisco Bay Area, California, 2010

2010. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts the nine counties of the San Francisco Bay Area Region in California. This data was derived from the United States C... Bay Area Open Space Council.

13. County Boundaries of the United States, 1980

1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

14. 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.).

15. County Boundaries of the United States, 2000

2000. Geological Survey (U.S.). This polygon shapefile portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

16. County Boundaries: Uganda, 2006

2006. Uganda Bureau of Statistics. This polygon shapefile represents the county boundaries for Uganda. These are the Level 4 admininstrative boundaries (ADM4). This layer is based on... Uganda Bureau of Statistics.

17. County Boundaries with Politicial Limit: United States and Territories, 2014

2014. United States. Bureau of Transportation Statistics. This polygon shapefile contains United States county boundaries with political limits extracted from the U.S. Census Bureau's MAF/TIGER Database (M... United States. Bureau of Transportation Statistics.

18. County Boundary (Polygon): Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts the county boundary for Sacramento County, California. This layer is part of a collection of data originally produce... Sacramento County GIS.

19. County Boundary (Polygon): Santa Clara County, California, 2015

2015. Santa Clara County (Calif.). Planning Office. This polygon shapefile depicts the administrative boundary for the County of Santa Clara, California. This coverage includes total area for of the ... Santa Clara County (Calif.). Planning Office.

20. County Boundary (Polygon): Solano County, California, 2015

2015. Armstrong, Jake H. This polygon shapefile depicts the county coundary for Solano County, California. This layer is part of a collection of GIS data produced by Solano... Solano County Department of Information Technology.

21. County Boundary: San Mateo County, California, 2008

2008. County of San Mateo Information Services Department. This polygon shapefile depicts the county boundary for San Mateo County in California. This layer is part of a collection of GIS data for San Mateo... County of San Mateo Information Services Department.

22. County Boundary: Santa Cruz County, California, 2015

2015. Garcia, Paul and Price, Matt. This polygon shapefile depicts the boundary for the County of Santa Cruz, California. This coverage was drawn using mean high tide where available ... County of Santa Cruz Information Services Department.

23. Global Map: 1:1,000,000-Scale Political Areas of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile includes Global Map data showing the counties and equivalent entities of the United States, Puerto Rico, and the U.S. Virgin... National Atlas of the United States.

24. Political Boundary of Monterey County, California, 1994

1994. U.S. Census Bureau. This shapefile is a gross-level polygon of the Monterey County political boundary intended for general mapping and planning purposes. The exact sou... Monterey County (Calif.) Planning Department.

25. Polygon Mask: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a mask of the nine county San Francisco Bay Area Region, California, onto which other thematic data can be layered. ... Bay Area Open Space Council.

26. Population by County, Census: China, 1953

1953. China. Guo jia tong ji ju, All China Marketing Research Co., Zhonghua di tu xue she, and University of Michigan. China Data Center. This polygon shapefile contains county boundaries and population data for China from the 1953 Census. These data were primarily based on "The Histo... University of Michigan. China Data Center.

27. Registration Counties of England and Wales, 1851

1851. Southall, Humphrey, Aucott, Paula, Bennett, Chris, and University of Portsmouth. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

28. Registration Counties of England and Wales, 1861

1861. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

29. Registration Counties of England and Wales, 1871

1871. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

30. Registration Counties of England and Wales, 1881

1881. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

31. Registration Counties of England and Wales, 1891

1891. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

32. Registration Counties of England and Wales, 1901

1901. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

33. Registration Counties of England and Wales, 1911

1911. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in England and Wales for vital registration and also for the administration and report... University of Portsmouth.

34. Scottish Counties, 1951

1951. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in Scotland from medieval times and continuing to exist until 1975, broadly as aggrega... University of Portsmouth.

35. Scottish Counties, before 1890

1890. Southall, Humphrey, Aucott, Paula, Bennett, Chris, University of Portsmouth, and Great Britain Historical Geographical Information System. These are digital boundaries for the system of counties used in Scotland from medieval times and continuing to exist until 1975, broadly as aggrega... University of Portsmouth.