ID:DA11820094
Philippines. Ministry of Natural Resources. Bureau of Mines and Geo-Sciences
Philippines. Dept. of Natural Resources. Bureau of Mines and Geo-Sciences
Philippines. Mines and Geo-Sciences, Bureau of
Philippines. Bureau of Mines
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by Juanito A. Manzano, Jr
Bureau of Mines and Geo-Sciences 1982 Technical information series Geology ; publication no. X-1-83
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Leonardo R. Antonio ... [et al.]
Republic of the Philippines. Ministry of Natural Resources. Bureau of Mines and Geo-Sciences 1981 Report of investigation no. 106
by Amable J. Cruz
Bureau of Mines and Geo-Sciences 1981 Information circular no. 28
Bureau of Mines and Geo-Sciences 1981 Information circular no. 29
by P.O. Montero and C.B. Cabrera
Republic of the Philippines. Ministry of Natural Resources. Bureau of Mines and Geo-Sciences 1981 Information circular no. 30
Bureau of Mines and Geo-Sciences, Ministry of Natural Resources 1981-1986 1st ed.
v. 1 , v. 2 , v. 2 suppl.
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by Maria Luz M. Bihis, Beatriz L. Trinidad
Bureau of Mines and Geo-Sciences 1980 Report of investigation no. 98
Bureau of Mines, Republic of the Philippines
Bureau of Mines, Republic of the Philippines 1953-
[1574/1952] , 1953/65 , 1972/75, pt. 1 , 1972/75, pt. 2
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