@book{27308,
	author = {Hewett, Donnel Foster,},
	title = {Mineral resources of the region around Boulder dam,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1936.},
	series = {U.S. Geological survey. Bulletin 871},
	address = {Washington,},
	note = {At head of title: United States Department of the Interior, Harold L. Ickes, Secretary, Geological survey. W.C. Mendenhall, director.}
}