01012cam a22002651 4500 gs 47000246 DLC 20260227111352.0 781012s1947 xx s000 0 eng gs 47000246 (OCoLC)4289206 DLC MeU-P MeU-P OCoLC DLC premarc QE119 .A3 no. 4 Miller, Ralph L. (Ralph LeRoy), 1909- Manganese deposits of Aroostook County, Maine. Prepared in cooperation with the Geological Survey of the United States Department of the Interior. [Augusta] State Geologist and Maine Development Commission, 1947. 77 p. illus., maps (part fold.) 23 cm. Maine. State Geologist. Bulletin 4. At head of title : Maine Geological Survey. Bibliographical footnotes. Manganese ores Maine Aroostook County. Geological Survey (U.S.) Maine Geological Survey. Bulletin ; 4. 28182 28182