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Ruperto Jagolino
Identifiers
Open Library
OL1337415A
Top Subjects
Philippines (2)
Phosphates -- Philippines (1)
Samar (1)
Bauxite -- Philippines -- Samar (1)
Books by Ruperto Jagolino
Total count: 2
Guano and phosphate rock deposits in the Philippines
a progress report
Bureau of Mines
1976-01-01
Bauxite deposits of Samar
Bureau of Mines
1977-01-01