@book{25060,
	author = {Marshall, R. B.},
	title = {Results of spirit leveling in Arizona, 1899-1909, inclusive /},
	publisher = {Govt. Print. Off.,},
	year = {1911.},
	series = {U.S. Geological survey. Bulletin 463},
	address = {Washington,},
	note = {Issued also as House doc. no. 1441, 61st Cong., 3d sess.}
}