Geology and Mineral Deposits of the Twin Crags Quadrangle Idaho: Geological Survey Bulletin 1142-A
Washington: United States Government Printing Office, 1963. softcover, 9.25" x 5.75", 33 pages, 2 folded plates inside rear pocket, library stamp on cover. from the title page, "A descriptive report on the geology of a quadrangle at the southwest corner of the Coeur d'Alene mining district." More

