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COBB, E.H., MAYFIELD, C.F., AND BROSGE', W.P., 1981, SUMMARIES OF DATA ON AND LISTS OF REFERENCES TO METALLIC AND SELECTED NON-METALIC MINERAL OCCURRENCES IN ELEVEN QUADRANGLES IN NORTHERN ALASKA; PART A, SUMMARIES OF DATA TO JANUARY 1, 1981: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 81-767A, 25 P.BARKER, J.C., 1981, MINERAL INVESTIGATIONS OF CERTAIN LANDS IN THE EASTERN BROOKS RANGE, 1978: U.S. BUREAU OF MINES OPEN FILE REPORT NO. 37-81, 288 P.COBB, E.H., MAYFIELD, C.F., AND BROSGE', W.P., 1981, SUMMARIES OF DATA ON AND LISTS OF REFERENCES TO METALLIC AND SELECTED NON-METALLIC MINERAL OCCURRENCES IN ELEVEN QUADRANGLES IN NORTHERN ALASKA; PART B, LISTS OF REFERENCES TO JANUARY 1, 1981: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 81-767B, 15 P.Cobb, E.H., Mayfield, C.F., and Brosge, W.P., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in eleven quadrangles in northern Alaska (Arctic, Baird Mountains, Chandler Lake, DeLong Mountains, Demarcation Point, Howard Pass, Misheguk Mountain, Mount Michelson, Noatak, Point Lay, and Table Mountain); Supplement to Open-File Report 75-628; Part A, Summaries of data to January 1, 1981: U.S. Geological Survey Open-File Report 81-767-A, 25 p.Barker, J.C., 1981, Mineral investigations of certain lands in the eastern Brooks Range, 1978: U.S. Bureau of Mines Open-File 37-81, 288 p., 8 sheets.