@book{30334,
	author = {Prinz, William C.,},
	title = {Geology and ore deposits of the Philipsburg district, Granite County, Montana,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1967.},
	series = {Geological Survey bulletin 1237},
	address = {Washington,},
	note = {Text and plates issued in portfolio.}
}