Search U.S. government technical reports digitized or harvested by TRAIL.
Mineral Industries Survey of the United States: Idaho, Shoshone County, Coeur d'Alene District: the Silver Belt and the Sunshine Mine of the Coeur dÁlene District
Mineral Industries Survey of the United States: California, Kern County, Mojave District: The Golden Queen and other Mines of the Mojave District, California
Mineral Industries Survey of the United States: California, Calaveras County, Mother Lode District (South). Mines of the Southern Mother Lode Region. Part 1 -- Calaveras County