@book{26570,
	author = {Ferguson, Henry G.},
	title = {Geology and ore deposits of the Mogollon mining district, New Mexico,},
	publisher = {Govt. Print. Off.,},
	year = {1927.},
	series = {U.S. Geological survey. Bulletin 787},
	address = {Washington,},
	note = {At head of title: Department of the interior...}
}