. Baltimore county. Geology; Mines and mineral resources; Physical geography; Forests and forestry. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Maryland Geological Survey; Berry, Edward Wilber, 1875-1945; Knopf, Eleanora Frances Bliss, 1883-; Jonas, Anna I. (Anna Isabel), 1881-; Mathews, Edward Bennett, 1869-; Watson, Edward Hahn, 1902-; Carter, William T. (William Thomas), 1877-; Snyder, Joseph M. , 1889-; Bruce, Osc

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. Baltimore county. Geology; Mines and mineral resources; Physical geography; Forests and forestry. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Maryland Geological Survey; Berry, Edward Wilber, 1875-1945; Knopf, Eleanora Frances Bliss, 1883-; Jonas, Anna I. (Anna Isabel), 1881-; Mathews, Edward Bennett, 1869-; Watson, Edward Hahn, 1902-; Carter, William T. (William Thomas), 1877-; Snyder, Joseph M. , 1889-; Bruce, Oscar Clayton, 1891-; Nunn, Roscoe; Bauer, L. A. (Louis Agricola), 1865-1932; Besley, F. W. (Fred Wilson), 1872-1960. Baltimore, The Johns Hopkins press

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectf, booksubjectgeology