Informe sobre las minas de cobre de las rancheries de Mancayan, Suyuk, Bumucun y Agbao en el distrito de Lepanto, isla de Luzon de Luzon de las Filipinas [microform].
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| Format: | Visual Material |
| Language: | English |
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Quezon City
Photoduplication Service. University of the Philippines Library
1976.
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