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51. Population Density Per Acre: San Francisco Bay Area, California, 2000
2000. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the population denisty of the nine county San Francisco Bay Area Region, California produced with a Dasymetric Mapping ... Bay Area Open Space Council.
52. Post Fire Erosion Potential: San Francisco Bay Area, California, 2004
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts the California Department of Forestry and Fire Protection Fire Resource and Assessment Program's (FRAP) best estimate o... Bay Area Open Space Council.
53. Rural Residential Vegetation Types: San Francisco Bay Area and Santa Cruz County, California, 2011
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
54. Shaded Surface Relief (30m): 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 raster dataset depicts hillshade for the nine county San Francisco Bay Area Regon, California and was derived from the 30 meter resolution Dig... Bay Area Open Space Council.
55. Shaded Surface Relief: California, 150-Meter Resolution
2011. Bay Area Open Space Council. This raster dataset depicts a 150 meter resolution shaded surface relief of California. This hillshade was generated by GreenInfo Network and was c... Bay Area Open Space Council.
56. Total Nitrogen Deposition: San Francisco Bay Area, California, 2007
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.
57. Vegetation Types: San Francisco Bay Area, California, 2006
2006. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a final version of the Coarse Filter Vegetation Map as a 30 meter grid with 61 cover types, 51 of which are natural or ... Bay Area Open Space Council.
58. Wet Nitrogen Deposition: San Francisco Bay Area, California, 2007
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 wet nitrogen deposition for the nine county San Francisco Bay Area Region, California. Wet nitrogen depo... Bay Area Open Space Council.
59. New York City Blue Sky Orthoimagery, 2006
2003. BlueSky International Limited. Blue Sky New York City Orthomagery is a set of orthophotos representing the entirety of New York City. The photos were taken in 2003 and have a 25... Bluesky International Limited.
60. Guatemala, From Official and Other Sources, 1902
1902. Digital Social Science Center (DSSC), Columbia University Libraries, Hendges, M. (Matthew), Sapper, Karl, d 1866-1945. Nordliche Mittel-Amerika., and Bureau of the American Republics (Washington, D.C.). This is a scanned version of the 1902 paper map entitled: Guatemala. The map was scanned at 300 dots per inch and is in the TIFF format. Bureau of the American Republics (Washington, D.C.).