| Reference | {Deposit:: CLARK, W.B. AND CARLSON, D.W., 1956; MINES AND MINERAL RESOURCES, EL DORADO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 52, NO. 4; DIV. OF MINES, P. 440.}{Deposit:: LEMMON, D.M. AND TWETO, O.L., 1962; TUNGSTEN IN THE US; USGS MAP, MR-25.}{Production:: CLARK AND CARLSON} |