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Allegany County.
By: Maryland Geological Survey. - Abbe, Cleveland, - Bauer, L. A. - Clark, William B. - Dorsey, Clarence W. - Fassig, Oliver L. - Merriam, C. Hart - Newell, Frederick Haynes, - O'Harra, Cleophas C. - Preble, Edward A. - Sudworth, George B.
Publication info: Baltimore :Johns Hopkins Press,1900.
Contributed by: Robarts - University of Toronto (archive.org)
Subjects: Allegany County Allegany County (Md.) Forests and forestry Geology Maryland Mines and mineral resources Physical geography
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