| Reference | {Deposit:: JAHNS, R. H., AND LANCE, J. F., 1950, GEOLOGY OF THE SAN DIEGUITO PYROPHYLLITE AREA, SAN DIEGO COUNTY, CALIFORNIA: CALIF. DIV. MINES, SPECIAL REPORT 4, 32 P}{Production:: JAHNS, R.H., AND LANCE, J.F., 1950, CALIF. DIV. MINES, SPEC. REPT. 4, 32 P.} |