Geology, geochemistry, geophysics, mineral occurrences, and mineral resource assessment for the commonwealth of Puerto Rico
|Other Authors:||Bawiec, W. J., Puerto Rico. Department of Natural Resources., University of Puerto Rico (Mayagüez Campus), Geological Survey (U.S.)|
[Reston, Va.?] :
U.S. Dept. of the Interior, U.S. Geological Survey,
1 computer optical disc ; 4 3/4 in.
U.S. Geological Survey open-file report ;