2013. Geological Survey (U.S.). This point shapefile contains selected streamflow gaging stations of the United States, Puerto Rico, and the U.S. Virgin Islands, in 2013. Gaging s... Geological Survey (U.S.).
2015. Garcia, Paul and Price, Matt. This polygon shapefile depicts watershed drainage basins in the County of Santa Cruz, California, including number codes to identify individual wat... County of Santa Cruz Information Services Department.