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  1. By: Maryland Geological Survey. - Bascom, F. (Florence), - Bauer, L. A. (Louis Agricola), - Bonsteel, Jay A. (Jay Allan), - Curran, Hugh McCollum, - Dorsey, Clarence Wilbur, - Fassig, Oliver Lanard, - Mathews, Edward Bennett, - Pressey, Henry Albert, - Shattuck, George Burbank, - Sudworth, George B. (George Bishop), - Sudworth, George B. (George Bishop), - Geological Survey (U.S.) - United States. Bureau of Soils.
    Publication info: Baltimore, The Johns Hopkins Press, 1902
    Holding Institution: Smithsonian Libraries and Archives