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1
by Sisler, James D. (James Donaldson), 1894-
[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geological Survey, 1924
“...Bulletin (Pennsylvania Bureau of Topographic and Geological Survey) ;...”[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geological Survey, 1924
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2
by Shepps, Vincent C. (Vincent Chester), 1928-
[Harrisburg, PA] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg, PA] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
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3
by Sisler, James D. (James Donaldson), 1894-
[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geological Survey, 1924
“...Bulletin (Pennsylvania Bureau of Topographic and Geological Survey) ;...”[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geological Survey, 1924
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4
by Newport, Thomas Gwyn, 1922-
Harrisburg, Pa., Pennsylvania Geological Survey, 1971
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa., Pennsylvania Geological Survey, 1971
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Book
5
by Stone, Ralph W. (Ralph Walter), 1876-1964
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Forests and Waters, Topographic and Geologic Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Forests and Waters, Topographic and Geologic Survey, 1923
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Book
6
by Ashley, Geo. H. (George Hall), 1866-1951
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Forests and Waters, Topographic and Geologic Survey, 1924
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Forests and Waters, Topographic and Geologic Survey, 1924
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7
8
by Poth, Charles W.
Harrisburg, 1963
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, 1963
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9
by Wood, Perry Rowley, 1920-
Harrisburg : Pennsylvania Geological Survey, 1964
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1964
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10
by Woodrow, Donald L.
Harrisburg, 1968
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, 1968
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11
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
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12
by Rones, Morris, 1922-1965
Harrisburg, 1969
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, 1969
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13
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
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14
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
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15
by Hickok, W. O. (William Orville), 1905-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1940
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1940
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16
by Willard, Bradford, 1894-1973
Harrisburg, PA. : Pennsylvania Bureau of Topographic and Geological Survey, 1958
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, PA. : Pennsylvania Bureau of Topographic and Geological Survey, 1958
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17
by Ellison, Robert L.
Harrisburg, 1965
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, 1965
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18
by Kent, Bion H. (Bion Huntley), 1925-
Harrisburg, 1969
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, 1969
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19
by O'Neill, Bernard J., 1920-
[Harrisburg] : Pennsylvania. Topographic and Geologic Survey, 1976
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Pennsylvania. Topographic and Geologic Survey, 1976
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20
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
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