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1. 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.

2. District Line Boundaries, Afghanistan, 2011

2011. International Steering Committee for Global Mapping and Afghanistan. Topographic Mapping Office. This line shapefile represents district line boundaries in Afghanistan. This layer is part of Global Map version 2. District Level Administrative B... International Steering Committee for Global Mapping.

3. Districts, Afghanistan, 2011

2011. International Steering Committee for Global Mapping and Afghanistan. Topographic Mapping Office. This polygon shapefile represents districts in Afghanistan. This layer is part of Global Map version 2. District Level Administrative Boundaries of... International Steering Committee for Global Mapping.

4. 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.

5. Williamson Act Parcels, Monterey County, California, 2011

2011. Monterey County (Calif.). This polygon shapefile depicts land parcels that are regulated under the Willimason Act in Monterey County, California as of 2011. The California L... Monterey County (Calif.).