References: |
- Deposit:: COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.
- Deposit:: TURNER, MORT D., 1959, GEOLOGY OF PART OF THE GURABO AREA, PUERTO RICO; IN REPOSITORY OF DEPT. OF NATURAL RESOURCES, PUERTO RICO
- Deposit:: BERGEY, W.R., 1958, PRELIMINARY REPORT ON RESULTS OF TRENCHING OF THE MAMEY VEIN, GURABO PROJECT, CAGUAS CONCESSION; IN REPOSITORY OF THE DEPT. OF NATURAL RESOURCES, PUERTO RICE
- Deposit:: BROEDEL, C. H., 1961, PRELIMINARY GEOLOGIC MAP SHOWING IRON AND COPPER PROSPECTS IN THE JUNCOS QUADRANGLE, PUERTO RICO: U. S. GEOLOGICAL SURVEY MISC. GEOL. INV. MAP I-326.
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