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Distribution, structure, and mined areas of coals in Fountain and Warren Counties, and the northernmost part of Vermillion County, Indiana

1961. Hutchison, Harold C.(Harold Christy), 1925-cartographer. Preliminary coal map no. 9--Margin.; Includes 1 ancillary map, 1 diagram showing township enumeration, 1 index map, 1 stratigraphic column, and 1 c...