TY  - BOOK
T1  - Puerto Ricoindustrial mineral mines, prospects, and occurrences in the Mineral Resources Data System (MRDS) /
DA  - 1992.
CY  - [Reston, VA] :
CY  - [Books and Open-File Reports Section, distributor,
AU  - Orris, G. J.
AU  - Carbonaro, Marguerite.
VL  - 92-244
CN  - I 19.76:
PB  - U.S. Geological Survey ;
PP  - [Reston, VA] :
PP  - [Books and Open-File Reports Section, distributor,
PY  - 1992.
N1  - Distributed to depository libraries in microfiche.
ID  - 199851
KW  - Mines and mineral resources
TI  - Puerto Ricoindustrial mineral mines, prospects, and occurrences in the Mineral Resources Data System (MRDS) /
ER  -