^Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 1145. ISBN1-884995-14-4.
^Badwater, California 7.5 Minute Topographic Quadrangle, USGS, 1986
^Smith, Lloyld Mason (October 4, 1946). "Hammada". The Desert Sun. Palm Springs, California. p. 13. Retrieved April 26, 2021.