B-03 Geology and Ore Deposits of the Alma District B-03 Geology and Ore Deposits of the Alma District, Park County, Colorado
B-01 A Preliminary Report on the Geology of the Monarch Mining District B-01 A Preliminary Report on the Geology of the Monarch Mining District, Chaffee County, Colorado
B-02 Geology of the Grayback Mining District B-02 Geology of the Grayback Mining District, Costilla County, Colorado