2005. Jones Stokes. The Napa County Watersheds were generated from two elevation datasets. The Napa River Watershed was generated from LIDAR data processed by NCALM a... Napa County (Calif.). County Of Napa.
2008. Federal Emergency Management Agency (FEMA). The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary... Napa County (Calif.). County Of Napa.
2011. Napa County Department of Environmental Management. Point locations of facilities in Napa County with hazardous material concerns. Napa County (Calif.). County Of Napa.