@book{27101,
	author = {Smith, Philip S. and Richards, R. W.},
	title = {Investigations in Alaska railroad belt, 1931,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1933.},
	series = {U.S. Geological survey. Bulletin 849},
	address = {Washington,},
	note = {At head of title: United States Department of the Interior. Harold L. Ickes, Secretary. Geological survey, W.C. Mendenhall, director.}
}