@book{30452,
	author = {Hamilton, Louis J. and Paulson, Q. F.},
	title = {Geology and ground-water resources of the lower Bighorn Valley, Montana /},
	publisher = {Govt. Print. Off.,},
	year = {1968.},
	address = {Washington :},
	note = {"Prepared as part of a program of the Department of the Interior for development of the Missouri River Basin."}
}