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By: Maryland Geological Survey. - Bauer, L. A. (Louis Agricola), - Bonsteel, Jay A. (Jay Allan), - Burke, R. T. Avon (Richard Thomas Avon), - Curran, Hugh McCollum, - Grover, Nathan Clifford, - Miller, Benjamin L. - Shattuck, George Burbank, - Von Herrmann, Charles F.Edition:Publication info: Baltimore, The Johns Hopkins Press, 1907Volume: textSeries:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Calvert co Calvert County (Md.) Geology MarylandBHL Collections: