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1. Administrative Boundaries of National Park System Units, 2011

2011. United States. Bureau of Transportation Statistics. This polygon shapefile depicts service wide boundary set for display and general analysis purposes. This layer is part of the 2014 National Transpo... United States. Bureau of Transportation Statistics.

2. 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.

3. Affordable Housing Corte Madera 2011

2011. MarinMap. Boundary of an affordable housing zone in Corte Madera, California. San Rafael (Calif.). County Of Marin.

4. Bodies of Water: 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 bodies of water in the nine county San Francisco Bay Area Region, California, onto which other thematic data can be ... Bay Area Open Space Council.

5. Boundary: Chester County, Pennsylvania

2011. Chester County DCIS/GIS. This dataset contains the county outline (boundary) polygon for Chester County, PA.

6. Boundary: San Francisco Bay, California 2011

2011. Bay Area Open Space Council, GreenInfo Network (Firm), Conservation Lands Network, and San Francisco Bay Area Upland Habitat Goals Project. This polygon shapefile depicts the boundary of the San Francisco Bay in California, including San Pablo Bay and the Carquinez Straight, onto which ... Bay Area Open Space Council.

7. Carbon Monoxide (CO): Federal Non-Attainment Area Designations: U.S. Region 9, 2011

2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile represents nonattainment areas for carbon monoxide (CO) in EPA Region 9, including California, Nevada and Arizona, for 2011.... United States. Environmental Protection Agency. Region IX.

8. Census Block Areas: Indiana

2011. United States Census Bureau. CENSUS_TRACTS_TIGER2011_IN.SHP is a polygon shapefile that contains 2011 census block boundaries for the state of Indiana. Census blocks are not le...

9. Census Block Group Areas: Indiana

2011. United States Census Bureau. CENSUS_BLOCKGROUPS_TIGER2011_IN.SHP is a polygon shapefile that contains 2011 census block group boundaries for the state of Indiana. Census block ...

10. Census Tract Areas: Indiana

2011. United States Census Bureau. CENSUS_TRACTS_TIGER2011_IN.SHP is a polygon shapefile that contains 2011 census tract boundaries for the state of Indiana. Census tracts are not le...