00000cam a22000004i 4500 UP-1685594773861248760 Buklod 20250205093434.0 i|||||||||||||| | ta 160712s1982 xx rb |||1 u|eng d (iLib)UPBAG-00000012855 BAG rda eng TN 113 P6 O27 1982 Region I Obra, Benjamin Q. author. Mineral resources in the coastal area of Region I by Benjamin Q. Obra ; [edited by Abner Fe R, Villanueva ; editorial consultants, Benjamin Q. Obra and Federico E. Miranda]. Baguio City Bureau of Mines and Geo-Sciences l982. 14 pages, 10 unnumbered pages illustrations, map (folded) 25 cm Technical information Series Number 82-2 Mines and mineral resources Ilocos Region. Geology, Stratigraphic. Villanueva, Abner Fe R. editor. Miranda, Federico E. editorial consultant. FI UPBAG UPBAG-MAIN TN 113 P6 O27 1982 REGION I Book