| Reference | {Deposit:: LOGAN, C.A., 1930, MINES AND MINERAL RESOURCES OF BUTTE COUNTY, CALIF. CALIF. JOURNAL OF MINES AND GEOLOGY, V. 26, NO. 4, P. 377-378}{Deposit:: SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V 2, P. 55} |