@book{27656,
	author = {Staack, J. G.},
	title = {Triangulation in Utah, 1871-1934.},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1940.},
	series = {United States.  Geological survey.  Bulletin 913},
	address = {Washington,},
	note = {At head of title: United States Department of the Interior.}
}