1968. Levinson, David M. and Chen, Wei. High-quality GIS land use maps for the Twin Cities Metropolitan Area for 1968 that were developed from paper maps (no GIS version existed previousl...
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2015. Garcia, Paul and Price, Matt. This polygon shapefile contains a 7.5 minute grid index for the County of Santa Cruz, California that corresponds to the 18 United States Geologica... County of Santa Cruz Information Services Department.
8643. viewshed_roads
2003. Napa County Conservation, Development Planning. Napa County Viewshed Roads per the Viewshed Protection Ordinance. Napa County (Calif.). County Of Napa.
2012. Amador County Information Technology Department, GIS Division. Amador County voting precincts based on the 2010 Census.
2019. Yuba County (Calif.). Information Technology Services. This polygon shapefile represents voting precincts in Yuba County, California. This layer is a part of a collection of data obtained from the Yuba ... Yuba County (Calif.). Information Technology Services.
8646. Water Bodies
2010. UC Berkeley and Regional Water Quality Control Board LIDAR project (Napa River Watershed data). Water Bodies. Napa County (Calif.). County Of Napa.
2006. Amador County Information Technology Department, GIS Division. This dataset contains boundaries for water bodies in Amador County, California. This data set was derived from the USGS 1:100,000 scale National Hy... Amador County (Calif.).
2015. San Joaquin County (Calif.). Community Development Department. This polygon shapefile contains the boundaries of water districts within San Joaquin County, California as of July 2015. Water districts are respon... San Joaquin County (Calif.). Community Development Department.
2020. San Joaquin County (Calif.).Community Development Department. This polygon shapefile contains the boundaries of water districts within San Joaquin County, California. Year: 2020. These data are made available ... San Joaquin County (Calif.).Community Development Department.
2015. San Joaquin County (Calif.). Community Development Department. This line shapefile represents creeks, rivers, streams and sloughs in San Joaquin County, California as of July 2015. This layer is part of a colle... San Joaquin County (Calif.). Community Development Department.