Geologic report on the copper-pyrite deposits of Rapu-Rapu Ilsands, Albay Province, P.I.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Manila
Bureau of Mines
1951.
|
| Saila: | Report of investigation Bureau of Mines
no.1 |
| Gaiak: |