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1999. California Geological Survey and California. Division of Mines and Geology. This line shapefile depicts the topography of the Freshwater Creek watershed study area, located in Humboldt County CaliforniaThese data were deriv... California Geological Survey and California. Dept. of Conservation.
2000. California. Division of Mines and Geology. This line shapefile provides topography only for the Noyo Watershed and is to be used as a backdrop to provide generalized topographic information ... California. Division of Mines and Geology.
2017. Sierra Nevada Conservancy. This polygon shapefile contains the boundary of the Watershed Improvement Program's This polygon shapefile contains the boundary of the Watershed I... Sierra Nevada Conservancy.
2017. Sierra Nevada Conservancy. This polygon shapefile contains the boundary of the Watershed Improvement Program's This polygon shapefile contains the boundary of the Watershed I... Sierra Nevada Conservancy.
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, and 2001. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This line shapefile represents the federally owned land features (for example, national parkways and wild and scenic rivers) of the United States. ... Environmental Systems Research Institute (Redlands, Calif.).
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the water feature areas (for example, glaciers, lakes, reservoirs, and swamps) of the United States at 1:1,000,00... Environmental Systems Research Institute (Redlands, Calif.).
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) of the United States... Environmental Systems Research Institute (Redlands, Calif.).
2017. Sierra Nevada Conservancy. This polygon shapefile contains the boundary of the Watershed Improvement Program's Upper Sacramento watershed. Sierra Nevada Conservancy.
2017. Sierra Nevada Conservancy. This polygon contains the boundary of the Watershed Improvement Program's Upper San Joaquin watershed. Sierra Nevada Conservancy.
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.