| Reference | {Deposit:: BASCO,DANIEL M., THE MANGANESE-BEARING LIMESTONE DEP. IN AND}{Deposit:: BOHOL AND THEIR ECONOMIC SIGNIF.,MINING NEWSLETTER, SEPT-OCT}{Deposit:: P.7-9}{Deposit:: OIWA, Y.,AND OTHERS, THE MINERAL INDUST. OF JAPAN AND SE ASI}{Deposit:: OF THE COL. SCHOOL OF MINES VOL.56, NO.4, P. 216.}{Deposit:: FERNANDEZ,N.5,ET. AL.,1956,MANGANESE DEPOSITS OF ANDA PENN.,}{Deposit:: PHIL. BUREAU OF MINES,SPC.11,49PGS,8PL.}{Deposit:: PHIL. BUR.MINES,1955,INFO.CIRC.19MIN. DEPOSITS OF PHIL.}{Deposit:: PHIL.BUR.MINES,1955,ANN.RPT-1954 PG11.} |