Gibraltar Mine

CALIF JOUR MINES & GLG V38,#1 JAN 1942,PP 26-27,55;OTHER LOCATIONS SEC 5,6,7,18,T21NR11ECALIFORNIA STATE MINING BUREAU, P. 39.AVERILL, C.V., 1942, MINES AND MINERAL RESOURCES OF SIERRACOUNTY COUNTY, IN THIRTY-EIGHT REPORT OF THE STATEMINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 26 AND 27.LOGAN, C.A., 1921 MINES AND MINERAL RESOURCES OF SIERRACOUNTY, IN SEVENTEENTH REPORT OF THE STATE MINERALOGIST:CALIFORNIA STATE MINING BUREAU, P. 476.CLARK, W.B., 1920, GOLD DISTRICTS OF CALIFORNA: CALIFORNIADIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 109.TAYLOR, G.F., 1903, SIERRA COUNTY, CALIFORNIA: RESISTER OFMINES AND MINERALS, CALIFORNIA STATE MINING BUREAU, P. 7.SINNOTT, J.J., 1972, DOWNIEVLLE GOLD TWON ON THE YUBA:CALIFORNIA TRAVELERS, INC., VOLCANO, CALIFORNIA, P. 164.WHITE, W.W., III, SCOTT, D.F., BARNES, D.J., AND NEUMANN,T.R., 1983, MINERAL INVESTIGATION OF THE EAST AND WEST YUBARARE II AREAS (NOS, 5264 AND 5172), SIERRA AND PLUMASCOUNTIES, CALIFORNIA: U.S BUREAU OF MINES SUMMARY REPORTNO. MLA 71-83.