Reference | {Deposit:: FROST,J.D.,1959,NOTES ON ORE-STRUCT-,PARACALE DIST,CAMARINES}{Deposit:: PHIL.GEOLOGIST,13,P31-43}{Deposit:: LETTER,MAR.1975,PHIL.IRON MINES INC. ON RESERVES & GRADE AT}{Deposit:: PHIL. BUREAU OF MINES,1955,INFO.CIRC. 19,MIN.RES.PHIL.,PG88-92} |