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Start Over Subject Hydrology
2008. World Wildlife Fund. This river network (stream lines) map for Europe is derived from the flow direction map for Europe. The flow accumulation map for Europe is used fo... Geological Survey (U.S.).
2008. World Wildlife Fund. This river network (stream lines) map for Europe is derived from the flow direction map for Europe. The flow accumulation map for Europe is used fo... Geological Survey (U.S.).
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.
2000. County of Marin. Data are a graphic representation of Flood Control Zone boundaries in Marin County, California. San Rafael (Calif.). County Of Marin Community Development Agency.
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the canals, aqueducts, and the Intracoastal Waterway in the United States, Puerto Rico, and th... National Atlas of the United States.
2014. Geological Survey (U.S.). This polygon shapefile includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. Th... Geological Survey (U.S.).
2014. National Atlas of the United States. This line shapefile includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modifie... National Atlas of the United States.

8. Groundwater

Polygon University Of California Berkeley Public content
2003. Groundwater Basins for Marin County. Data was downloaded from http://gis.ca.gov/data_index.epl and reprojected from NAD 27 meters. Attributes not... San Rafael (Calif.). County Of Marin.
2015. Monterey County (Calif.). This polygon shapefile represents areas of groundwater recharge in Monterey County, California. This layer is part of a collection of GIS data for ... Monterey County (Calif.).
2017. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents hydrological features, including streams and drainage, in the San Francisquito Creek watershed, located in the Ja... Jasper Ridge Biological Preserve (Agency).