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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. Administrative Divisions, Latvia, 2011

2011. International Steering Committee for Global Mapping and Latvian Geospatial Information Agency. This point shapefile represents administrative divisions of Latvia. The Global Map Latvia - Boundaries layer accuracy corresponds to scale 1:500 00... International Steering Committee for Global Mapping.

4. Annual Particulate Matter (Annual PM-2.5) Non-Attainment Designations in Region 9, 2011

2011. United States. Environmental Protection Agency, Region IX. This polygon shapefile contains designated areas for particulate matter < 2.5 microns, according to the annual National Ambient Air Quality Stan... United States. Environmental Protection Agency, Region IX.

5. Aquaculture Leases: California, 2011

2011. California. Department of Fish and Game. Marine Resources Region and California Department of Fish and Wildlife Aquaculture and Bay Management . This polygon shapefile depicts the location and extent of aquaculture leases in California. The purpose of operation, species and approved cultivat... California. Department of Fish and Game. Marine Resources Region.

6. 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.

7. 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.

8. Built Up Areas, Kosovo, 2011

2011. International Steering Committee for Global Mapping and Kosovo Cadastral Agency. This polygon shapefile represents built up areas (areas containing a concentration of buildings and other structures) in Kosovo. The Global Map Rep... International Steering Committee for Global Mapping.

9. 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.

10. Coho Salmon Watersheds: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, GreenInfo Network (Firm), and San Francisco Bay Area Upland Habitat Goals Project. This polygon shapefile depicts the Coho Salmon Priority Restoration Areas in the nine county San Francisco Bay Area Region, California, as defined ... Bay Area Open Space Council.