Mines of Calaveras County California
Mines and Mining in Amador, Calaveras, and Tuolumne Counties, California
1895 Pictorial History of Nevada County California
Gold Bearing Gravel of the Yuba River, Sierra Nevada, California
The Gold Mines of the Alleghany Forest City Mining District
The Mother Lode System of California
Tertiary Gravels of the Sierra Nevada California
