2010. Teale Data Center. California Watershed Map: Version 2.2. This layer is composed of polygons at depict the boundary of the various watershed areas in Napa County. Napa County (Calif.). County Of Napa.
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2003. U.S. Bureau of Reclamation, Mid-Pacific Region, MPGIS Service Center. Canal system center lines in the Central Valley of California and adjacent areas captured from 1:24,000-scale USGS topographic maps. Updates and mo...
2014. Stanislaus County (Calif.). This polyline dataset represents existing canals in Stanislaus County, California for 2014.
2005. Department of Conservation & Development, Contra Costa County. This dataset represents the Creeks' Drainages within Contra Costa, California. Latest data revision occurred in August 2005; Data was mapped and pr...
2004. Santa Clara Valley Water District (Calif.). This polyline dataset identifies all existing creeks and canals within Santa Clara County, California for 2004. Layer created by Santa Clara Valley...
2014. Stanislaus County (Calif.). This polyline dataset represents existing creeks in Stanislaus County, California for 2014.
2007. Office of Emergency Services. Dam Inundation maps for the State of California are required by California Government Code Section 8589.5(b).
Inundation potential to cause damage... Sacramento (Calif.). Office Of Emergency Services.
2010. County of Sonoma, Permit and Resource Management Department [PRMD] - Engineering, Drainage Review. The flood prone dataset represents a geographical area known as the Permit and Resource Management Department (PRMD) Flood Prone Ordinance 4467. Fl...
2011. Federal Emergency Management Agency. This polygonal dataset shows flood zones within Butte County, California. The Flood Zones file was given to Butte County GIS Division from Butte Co... Butte County (Calif.) -- Geographic Information Systems.
2010. County of Napa Conservation, Development Planning Department. Historic tidal wetlands along the San Francisco Bay as mapped from 1851 to 1897. Napa County (Calif.). County Of Napa.
2010. Sacramento County GIS. Line representation of streams and rivers in Sacramento County. Sacramento Area Council of Governments.
2010. Sacramento County GIS. Ponds and lakes. Derived from orthophotography and USGS topographic quad sheets.
1991. Powell, Susan and Navarro, Fernando. This line dataset represents the locations of irrigation canals in Mongolia in 1991. Irrigation canals are listed as a type of "nature protection m... UC Berkeley Library.
2016. San Benito County (Calif.) -- Information Technology. This polygon dataset shows all existing lakes and reservoirs within San Benito County, California as of 2016. Hydrology representing major hydrolog...
2016. Fresno County (Calif.). Department of Public Works and Planning. This polygon dataset shows all existing lake waterbodies within Fresno County, California for 2016.
2011. Mono County (Calif.) -- Information Technology. This polygon dataset shows all existing lake waterbodies within Mono County, California in 2011. .
2010. Placer County (Calif.) -- Community Development Resource Agency. This polygonal dataset shows all existing lakes within Placer County as of 2010. Original coverage was compiled from several 1:24000 USGS quadrangl...
2011. San Mateo County. Lakes and bay shore areas in San Mateo County, California. San Mateo County (Calif.). County Of San Mateo.
2014. San Mateo County (Calif.). This polygonal dataset identifies all existing lakes in San Mateo County, California in 2014. .
2014. Santa Cruz County GIS. This shapefile represents lakes in Santa Cruz County, California. .
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