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1
by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
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2
by McCauley, John F.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
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3
by Schiner, George R., 1926-
Harrisburg : Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1976
Harrisburg : Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1976
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4
by Skema, Viktoras W.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1982
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1982
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5
by Davis, Drew K.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989
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6
by Fettke, Charles R. (Charles Reinhard), 1888-1959, Stephenson, Robert Charles, 1916-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1946
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1946
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7
by Lytle, William S.
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1974
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1974
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8
9
by O'Neill, Bernard J., 1920-
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973
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10
by Foose, Richard Martin, 1915-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1974
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1974
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11
12
by Bragonier, William A.
Harrisburg, Pa. : [Commonwealth of Pennsylvania, Dept. of the Environmental Resources, Office of Resources Management, Topographic and Geologic Survey], 1996
Harrisburg, Pa. : [Commonwealth of Pennsylvania, Dept. of the Environmental Resources, Office of Resources Management, Topographic and Geologic Survey], 1996
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13
14
by Taylor, Larry E. (Larry Eugene)
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984
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15
by Royer, Denise W.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984
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16
by Gallaher, John T., 1921-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
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17
18
by Behre, Chas. H. (Charles H.)
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Society, 1933
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Society, 1933
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19
by Shaw, J. B. (Joseph Bradfield), 1884-
Harrisburg, Pa. : Dept. of Forests and Waters, Topographic and Geologic Survey, 1928
Harrisburg, Pa. : Dept. of Forests and Waters, Topographic and Geologic Survey, 1928
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20
by Barnes, John Henry, 1946-
Harrisburg, [Pa.] : Pennsylvania Aggregates and Concrete Association, 1997
Harrisburg, [Pa.] : Pennsylvania Aggregates and Concrete Association, 1997
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