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2004, 2005, 2006, 2007, and 2008. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor data for the offshore area of San Francisco, California. This layer is part of USGS ... Geological Survey (U.S.).
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts data compiled within the nine county San Francisco Bay Area Region, California using the following methods: 1) Usin... Bay Area Open Space Council.
1955. California. Division of Bay Toll Crossings. This raster dataset is a georeferenced image of the San Francisco Bay showing southern crossings, originally contained in the "Report to Department... Stanford University. Center for Spatial and Textual Analysis.
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.
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts streams in the nine county San Francisco Bay Area Region, California study area. Stream data was integral to many a... 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 dissolve that was run on the super planning watersheds for the nine county San Francisco Bay Area Region, Californ... Bay Area Open Space Council.
2007. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and University of California, Riverside. College of Engineering. Center for Environmental Research and Technology. This raster dataset depicts a geography of nitrogen deposition for the nine county San Francisco Bay Area Region, California. Nitrogen deposition i... 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 polyline shapefile depicts all National Hydrography Dataset (NHD) streams falling within the urban areas of the nine county San Francisco Bay ... Bay Area Open Space Council.
1853. Rumsey, David, 1944- and United States Coast Survey. This layer is a georeferenced image of a map of San Francisco originally created by the U.S. Coast Survey in 1853. The original chart map appeared ... Cartography Associates.