Cite
MLA (8th Edition)
Hydrogeology of the Western Part of the Salt River Valley Area, Maricopa County, Arizona. Department of the Interior, United States Geological Survey, 1989.
APA (7th Edition)
Hydrogeology of the western part of the Salt River Valley area, Maricopa County, Arizona. (1989). Department of the Interior, United States Geological Survey.
Chicago (17th Edition)
“Hydrogeology of the Western Part of the Salt River Valley Area, Maricopa County, Arizona.” Tucson, Ariz.: Department of the Interior, United States Geological Survey, 1989.