@book{28971,
	author = {Olson, Jerry Chipman,},
	title = {Rare-earth mineral deposits of the Mountain Pass district, San Bernardino County, California,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1954.},
	address = {Washington,},
	note = {Part of the illustrative matter folded in pocket.}
}