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

Book
2
Geology of the New Tripoli quadrangle, Lehigh, Berks, Schuylkill, and Carbon counties, Pennsylvania /
by Epstein, Jack Burton, 1935-
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1993

Government Document Book
3
The Annville, Myerstown and Hershey formations of Pennsylvania /
by Prouty, C. E. (Chilton Eaton), 1914-1997
Harrisburg, PA. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959

Government Document Book
4
Pre-Cambrian geology of the Boyertown Quadrangle /
by Buckwalter, Tracy V. (Tracy Vere), 1918-
[Harrisburg, Pa.] : [Pennsylvania Bureau of Topographic and Geologic Survey], 1959

Government Document Book
5
French Creek State Park /
[Harrisburg, Pa.] : The Bureau, 1996
Rev.

Government Document Book
6
Mineral collecting in Pennsylvania /
by Lapham, Davis M., Geyer, Alan R.
Harrisburg, PA. : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1969
3d ed.

Book
7
Mineral collecting in Pennsylvania /
by Lapham, Davis M.
Harrisburg, PA. : Commonwealth of Pennsylvania [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1965
2nd ed.

Book
8
Stratigraphy of the Beekmantown group in southeastern Pennsylvania /
by Hobson, John Peter, 1928-
Harrisburg, PA. : Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geological Survey, 1963

Government Document Book
9
Mineral collecting in Pennsylvania /
by Geyer, Alan R., Smith, Robert Charles, 1945-, Barnes, John Henry, 1946-
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Topographic and Geologic Survey : May be purchased from State Book Store, 1976
4th ed.

Book
10
Geology and mineral resources of the Temple and Fleetwood quadrangles, Berks County, Pennsylvania /
by MacLachlan, David B.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1979

Government Document Book
11
Geologic interpretation of the aeromagnetic map of Alburtis Quadrangle, Lehigh & Berks counties /
by Socolow, Arthur A.
Harrisburg, Pa. : Pennsylvania. Bureau of Topographic and Geologic Survey, 1961

Government Document Book
12
Preliminary report on certain limestones and dolomites of Berks County, Pennsylvania /
by Gray, Carlyle
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1951

Government Document Book
13
Geology and mineral resources of the Womelsdorf quadrangle /
by Geyer, Alan R.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1963

Government Document Book
14
Geology and mineral resources of the Reading and Birdsboro quadrangles, Berks County, Pennsylvania /
by MacLachlan, David B.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1983

Government Document Map
15
The high calcium limestones of the Annville belt in Lebanon and Berks Counties, Pennsylvania /
by Gray, Carlyle
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1952

Government Document Book
16
New Holland quadrangle ; Geology and mineral resources /
by Jonas, Anna I. (Anna Isabel), 1881-1974
[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geologic survey, 1926

Government Document Book
17
The Precambrian geology of the Reading 15' quadrangle /
by Buckwalter, Tracy V. (Tracy Vere), 1918-
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1962

Government Document Book
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