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1
Harrisburg, Pa. : Published by the Board of Commissioners for the Geological survey, 1886

Book
2
by Gordon, Samuel G. (Samuel George), 1897-1952
Philadelphia [s.n.] 1922

Book
3
by Barnes, John Henry, 1946-
Harrisburg [Pa.] : Commonwealth of Pennsylvania, Dept. of Conservation and Natural Resources, Ofiice of Conservaiton and Engineering Services, Bureau of Topographic and Geologic Survey, 2004
4th ed.

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document Book
4
by Gordon, Samuel George, 1897-
[s.l.] : Friends of Mineralogy, Region 3, 1973

Book
5
by Beck, Herbert H. (Herbert Huebener), 1875-1960
[Lancaster, Pa. : The Science press printing co.] 1952
3rd ed.

Book
6
by Lapham, Davis M.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1963
2nd ed.

Government Document Book
7
by Barnes, John Henry, 1946-
Harrisburg, PA : Pennsylvania, Department of Conservation and Natural Resources, Office of Conservation and Engineering Services, Bureau of Topographic and Geologic Survey, 2013
Revised April 2013

Government Document Book
8
by Lapham, Davis M., Geyer, Alan R.
[Harrisburg, Pennsylvania] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973

Government Document Book
9
by Lapham, Davis M.
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1979

Government Document Book
10
by Lapham, Davis M.
[Harrisburg, Pa.] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959

Book
11
by Eyerman, John, 1867-
Easton, Pa., [publisher not identified], 1889

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Book
12
by Gordon, Samuel G. (Samuel George), 1897-1952
New York, NY : Dover Publications 1959

Book
13
[Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1962
[Second edition], Fourth printing - January 1967.

Government Document Book
14
by Wherry, Edgar T. (Edgar Theodore), 1885-1982
Philadelphia : [publisher not identified], 1910

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Thesis Book
15
by Gordon, Samuel George, 1897-
New York, Dover Publications 1959

Book
16
by Lapham, Davis M.
Harrisburg, PA. : Commonwealth of Pennsylvania [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1965
2nd ed.

Book
17
by Lapham, Davis M.
[Harrisburg, Pa.] : [Commonwealth of Pennsylvania], Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
[1st ed.].

Book
18
by Gordon, Samuel George, 1897-1952
Philadelphia : [s.n.], 1922

Book
19

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Thesis Book
20
by Barnes, John Henry, 1946-
Harrisburg [Pa.] : Commonwealth of Pennsylvania, Dept. of Conservation and Natural Resources, Ofiice of Conservaiton and Engineering Services, Bureau of Topographic and Geologic Survey, 2004
Fourth edition.

Government Document Book