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Geology Pennsylvania Maps
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Martin, George Curtis, 1875-1943.
Washington, D.C. : U.S. Geological Survey, 1908.
1908
Rating:
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I 19.5/1:160 |
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Campbell, Marius Robinson, 1858-1940.
Washington, D.C. : U.S. Geological Survey, 1913.
1913
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I 19.5/1:189 |
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Campbell, Marius Robinson, 1858-1940.
Washington, D.C. : U.S. Geological Survey, 1903.
1903
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I 19.5/1:94 |
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Shaw, Eugene Wesley, 1881-1935.
Washington, D.C. : U.S. Geological Survey, 1911.
1911
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I 19.5/1:177 |
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Munn, Malcolm John, 1874-1949.
Washington, D.C. : U.S. Geological Survey, 1912.
1912
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I 19.5/1:180 |
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Lib Use Only |
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Bascom, Florence.
Washington, D.C. : U.S. Geological Survey, 1932.
1932
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I 19.5/1:223 |
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Lib Use Only |
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Butts, Charles, 1863-1946.
Washington, D.C. : U.S. Geological Survey, 1905.
1905
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I 19.5/1:133 |
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Stose, George Willis, 1869-1960
Washington, D.C. : U.S. Geological Survey, 1929.
1929
Rating:
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I 19.5/1:225 |
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Lib Use Only |
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Shaw, Eugene Wesley, 1881-1935.
Washington, D.C. : U.S. Geological Survey, 1911.
1911
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I 19.5/1:178 |
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Lib Use Only |
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Fuller, Myron Leslie, 1873-
Washington, D.C. : U.S. Geological Survey, 1903.
1903
Rating:
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I 19.5/1:92 |
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Lib Use Only |
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Phalen, William Clifton, 1877-1949.
Washington, D.C. : U.S. Geological Survey, 1910.
1910
Rating:
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I 19.5/1:174 |
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Lib Use Only |
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Butts, Charles, 1863-1946.
Washington, D.C. : U.S. Geological Survey, 1904.
1904
Rating:
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I 19.5/1:115 |
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Lib Use Only |
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Campbell, Marius Robinson, 1858-1940.
Washington, D.C. : U.S. Geological Survey, 1902.
1902
Rating:
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I 19.5/1:82 |
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Lib Use Only |
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Stose, George Willis, 1869-1960
Washington, D.C. : U.S. Geological Survey, 1909.
1909
Rating:
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I 19.5/1:170 |
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Lib Use Only |
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Stose, George Willis, 1869-1960
Washington, D.C. : U.S. Geological Survey, 1912.
1912
Rating:
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I 19.5/1:179 |
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Lib Use Only |
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Bascom, Florence.
Washington, D.C. : U.S. Geological Survey, 1909.
1909
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I 19.5/1:162 |
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Lib Use Only |
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Munn, Malcolm John, 1874-1949.
Washington, D.C. : U.S. Geological Survey, 1911.
1911
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I 19.5/1:176 |
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Richardson, G. B. (George Burr), 1872-1949
Washington, D.C. : U.S. Geological Survey, 1934.
1934
Rating:
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I 19.5/1:224 |
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Bascom, Florence
Washington, D.C. : U.S. Geological Survey, 1909.
1909
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I 19.5/1:167 |
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Lib Use Only |
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Butts, Charles, 1863-1946.
Washington, D.C. : U.S. Geological Survey, 1910.
1910
Rating:
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I 19.5/1:172 |
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Stone, Ralph W. (Ralph Walter), 1876-1964
Washington, D.C. : U.S. Geological Survey, 1905.
1905
Rating:
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I 19.5/1:121 |
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Lib Use Only |
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