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2005. County of Napa ITS Department. Major named water bodies within Napa County. Napa County (Calif.). County Of Napa.
2005. VESTRA Resources Inc. Boundary of the Napa County Flood Control District. Napa County (Calif.). County Of Napa.
3. NHD Flowline
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m... Reston (va.). U.s. Geological Survey.
2003. CDF, USGS, Sonoma Ecology Center: Compiled by County of Sonoma ISD GIS Central. Compiled by Sonoma County GIS group. Polyline layer only. The base line work is compiled from the CDF FRAP (California Department of Forestry Fir... Santa Rosa (Calif.). County Of Sonoma Gis Central.
2010. Vestra Resources Inc. Redding CA. Sphere of Influence for the Napa County Flood Control and Water Conservation District. Napa County (Calif.). County Of Napa.
2010. Placer County (Calif.) -- Community Development Resource Agency. This polyline dataset shows all natural stream names and locations within Placer County, California as of 2010. Original coverage was compiled from...
2014. Santa Cruz County GIS. This shapefile shows streams in Santa Cruz county, California.
2003. California. Department of Water Resources. This polyline dataset represents all inland waters for Shasta County, California in 2003. The hydrography layer consists of flowing waters (rivers ... Vestra Resources, Inc. .
2004. Department of Public Works. Water bodies in San Francisco. Derived from city features drawings from DPW. Modified by DTIS to show type of water body and name. San Francisco (Calif.). Department Of Telecommunications and Information Services.
2009. Butte County (Calif.) -- Geographic Information Systems. This polygonal dataset shows all lakes, large rivers, and small water bodies within Butte County, California as shown on USGS 1:24000 maps and upda...