Marinduque-Surigao Del Norte Nickel Deposit, Nonoc Island, Philippines

METALS WEEK-METALS SOURCEBOOK, 5/20/74, ITEM # B2843METALS WEEK-METALS SOURCEBOOK, 7/2/73, ITEM # A3203METALS WEEK, 4/3/72AM. MET. MKT., 2/18/725) AM. MET. MKT. 1/18/726) WALL STREET JOURNAL, 1/14/727) ENG. MINING JOURNAL, 9/718) MINING RECORD, 1/26/729) ENG. MINING JOURNAL, 1/7310) ENG. MINING JOURNAL, 5/7211) ENG. MIN. JOUR.-INTERNATL - DIRECTORY OF MINING, 1973, P. 20412) AM. MET. MKT., 8/23/7413) ENG. MIN. JOUR., 8/74, P. 12114) METALS WEEK-METALS SOURCEBOOK, 10/28/74, ITEM # B482715) ENG. MINING JOUR., 10/68, P. 73-8416) METALS-WEEK, METALS SOURCEBOOK, 1/27/75, ITEM #C1436