@book{26975,
	author = {Alden, William C.},
	title = {Physiography and glacial geology of eastern Montana and adjacent areas /},
	publisher = {U.S. Gov't. Print. Off.,},
	year = {1932.},
	series = {Geological Survey (U.S.). Geological Survey professional paper ;},
	address = {Washington :},
	note = {At head of title: United States Dept. of the Interior.}
}