^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed March 9, 2011
^Santa Rosa Quadrangle, Fifteen minute series, USGS Quadrangle Map, U.S. Government Printing Office, Washington DC (1958)
^C.Michael Hogan, John Torrey, Brian McElroy et al., Environmental Impact Report, Southeast Santa Rosa Annexation 2-88, Earth Metrics Inc., Report 7941, California State Clearinghouse, Sacramento, Ca., March 1990