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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. 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.

3. 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.

4. 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.

5. Conservation Bank Holdings: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and U.S. Fish and Wildlife Service. Region 8. This polygon shapefile depicts the areas where the United States Fish and Wildlife Service (FWS) approved conservation banks are located in the nin... Bay Area Open Space Council.

6. Conservation Bank Service Areas: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and U.S. Fish and Wildlife Service. Region 8. This polygon shapefile depicts the service areas designated by the United States Fish and Wildlife Service (FWS) to contain conservation banks loca... Bay Area Open Space Council.

7. Conservation Suitability Index: 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 the suitability layer developed for use with Marxan estimates of ecological integrity to identify areas that are bes... Bay Area Open Space Council.

8. Converted Lands: 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 converted lands in the nine county San Francisco Bay Area Region, California that the Conservation Lands Network (CL... Bay Area Open Space Council.

9. Landscape Units: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, San Francisco Bay Area Upland Habitat Goals Project, Conservation Lands Network, and GreenInfo Network (Firm). This polygon shapefile depicts the division of the nine county San Francisco Bay Area Region, California into 34 landscape units, or subregions, to... Bay Area Open Space Council.

10. Lead (Pb): Federal Area Designations: California, 2011

2011. United States. Environmental Protection Agency. This polygon shapefile contains area designations of lead attainment (Pb) in California (Region 9). There are three categories of designations: : n... United States. Environmental Protection Agency. Region IX.

11. No Discharge Zones, Northeast United States, 2011-2014

2011. Applied Science Associates. This polygon shapefile represents No Discharge Zones in the Northeastern United States. A No Discharge Zone (NDZ) is a designated boundary within w... Northeast Ocean Data.

12. Particulate Matter (PM-10): Federal Area Designations: California, 2011

2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile shows designated areas for particulate matter < 10 microns according to the 24-Hour National Ambient Air Quality Standard... California. Air Resources Board.

13. Particulate Matter (PM-2.5) Non-Attainment Areas: California, 2011

2011. United States. Environmental Protection Agency. . This polygon shapefile identifies areas in the U.S. where air pollution levels have not met the 2006 National Ambient Air Quality Standards (NAAQS)... California. Air Resources Board.

14. Ponds Gap Analysis: 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 pond areas data compiled from the National Wetlands Inventory (NWI) and the National Hydrography Dataset (NHD). The ... Bay Area Open Space Council.

15. Streams Gap Analysis: 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 stream gap analysis done by landscape unit to determine the length of Priority 1 and 2 streams in each landscape u... Bay Area Open Space Council.

16. Terrestrial Ecoregions: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and The Nature Conservancy. This polygon shapefile depicts global ecoregions, major habitat types, biogeographical realms and The Nature Conservancy terrestrial assessment uni... Bay Area Open Space Council.

17. Timber Harvest Plans: 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 timber harvesting plans generated by the California Department of Forestry (CDF) and Fire Protection’s Northern Regi... Bay Area Open Space Council.

18. Upland Habitat Goals Project Study Area: 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 the extent of the San Francisco Bay Area Upland Habitat Goals Project Study Area where the analysis occured, onto wh... Bay Area Open Space Council.

19. Visibility Reducing Particles: California State Area Designations, 2008-2011

2011. Stephen P. Teale Data Center (Calif.). and California. Air Resources Board. Planning and Technical Support Division. This polygon shapefile shows area designations in California as required under Health and Safety Code section 39608 for ozone, nitrogen dioxide, su... California. Air Resources Board.

20. 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.).