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31. Urban Streams: San Francisco Bay Area, California, 2008

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.

32. Vernal Pool Complexes: San Francisco Bay Area, California, 1998

2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), U.S. Fish and Wildlife Service, and Dr. Robert F. Holland. This polygon shapefile depicts existing vernal pool complexes, not individual vernal pools, in the nine county San Francisco Bay Area Region, Calif... Bay Area Open Space Council.

33. Watershed Cluster Analysis: San Francisco Bay Area, California, 2009

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.

34. Wetlands: San Francisco Bay Area, California, 2003

2003. Bay Area Open Space Council, Conservation Lands Network, GreenInfo Network (Firm), San Francisco Bay Area Upland Habitat Goals Project, and San Francisco Estuary Invasive Spartina Project . This polygon shapefile depicts the extent, approximate location and type of wetlands habitats in the nine county San Francisco Bay Area Region, Cal... Bay Area Open Space Council.

35. Winter Steelhead Distribution: 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 Connie Shannon PSMFC/ CDFG. The data was clipped to the Bay Area. Winter Steelhead Distribution (CalFish) June 2007 Version This polyline shapefile depicts observation-based, ... Bay Area Open Space Council.

36. Active and Dormant Landslides, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This polygon shapefile depicts active and dormant landslides within the Elk River watershed in Humboldt County, California. This layer does not inc... California Geological Survey.

37. Active and Dormant Landslides (Small), Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This point shapefile depicts smaller active and dormant landslides within the Elk River watershed in Humboldt County, California. Features shown he... California Geological Survey.

38. Alluvial contacts (Units): Albion River Watershed, California, 2000

2000. California Geological Survey. This polygon shapefile depicts alluvial contacts in the Albion Watershed region of Mendocino County, California. Alluvail contacts are unconsolidat... California Geological Survey.

39. Channel Classification: Albion River Watershed, California, 1984-2002

1984. California Geological Survey. This line shapefile depicts channel classifications, including Rosgen classes and other descriptors of stream channel and valley characteristics, w... California Geological Survey.

40. Contacts and Faults, Elk River Watershed, California, 1940-2000

1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This line shapefile depicts contacts and faults within the Elk River watershed in Humboldt County, California. This dataset is the product of the D... California Geological Survey.