@book{26284,
	author = {Ross, Clyde P.},
	title = {The Lower Gila Region, Arizona.},
	publisher = {Govt. print. off.,},
	year = {1923.},
	series = {United States Geological survey. Water-supply paper,},
	address = {Washington,},
	note = {At head of title: Department of the interior.}
}