References: |
- Deposit:: DEYOUNG AND OTHERS, 1985, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT-- NICKEL: U.S. GEOLOGICAL SURVEY CIRCULAR 930-D, 62 P.
- Deposit:: CROCKETT AND OTHERS, 1987, INTERNATIONAL STRATEGIC MINERALS INVENTORY SUMMARY REPORT-- COBALT: U.S. GEOLOGICAL SURVEY CIRCULAR 930-F, 54 P.
- Deposit:: PHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 1986, GEOLOGY AND MINERAL RESOURCES OF THE PHILIPPINES, VOLUME 2: MINERAL RESOURCES: MANILA, PHILIPPINES, PHILIPPINE BUREAU OF MINES AND GEO-SCIENCES, 446 P.
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