@book{26381,
	author = {Hancock, E. T.},
	title = {Geology and coal resources of the Axial and Monument Butte quadrangles, Moffat County, Colorado,},
	publisher = {Govt. print. off.,},
	year = {1925.},
	series = {U.S.  Geological survey.  Bulletin 757},
	address = {Washington,},
	note = {At head of title: Dept. of the interior.}
}