@book{28834,
	author = {Hill, Dorothy Rachel, and Tomkin, Jessie M.},
	title = {General and engineering geology of the Wray area, Colorado and Nebraska /},
	publisher = {U.S. G.P.O.,},
	year = {1953.},
	address = {Washington, [D.C.] :},
	note = {One folded map in pocket.}
}