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Start Over Resource Type Polygon data Theme Environment
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.
2013. United States. Environmental Protection Agency. Region IX. This polygon shapefile contains nonattainment areas for particulate matter < 10 microns. Nonattainment areas are geographic areas which have not... United States. Environmental Protection Agency. Region IX.
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.
2009, 2010, 2011, 2012, and 2013. Applied Science Associates. Pilot boarding areas are locations at sea where pilots familiar with local waters board incoming vessels to navigate their passage to a destination... Northeast Ocean Data.
2009. 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 dissolve that was run on the planning watersheds for the nine county San Francisco Bay Area Region, California. Pl... Bay Area Open Space Council.
2015. Santa Clara County (Calif.). Planning Office. This polygon shapefile depicts the Habitat Plan plant survey area in the County of Santa Clara, California. Plant surveys provide information used ... Santa Clara County (Calif.). Planning Office.
2008. 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 range map the San Joaquin pocket mouse (Perognathus inornatus) that were pulled out and then reversed so the pol... Bay Area Open Space Council.
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.
2009. 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 watershed integrity cluster analysis at the CalWater 2.2.1 Planning Watershed (PWS) level performed by mapping fac... Bay Area Open Space Council.
2008. 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 range map the porcupine that were pulled out and then reversed so the polygon represents areas outside of their ... Bay Area Open Space Council.