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1
by Frazer, Persifor, 1844-1909
Harrisburg [Pa.] : Pub. by the Board of commissioners for the Second geological survey, 1876

Government Document Book
2
[Harrisburg, Pa. : Published by the Board of Commissioners for the Second Geological Survey, 1875

Government Document Book
3
by Stevenson, John J. (John James), 1841-1924
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1877

Government Document Book
4
[Harrisburg] : Published by Geological Survey of Pennsylvania, 1881

Government Document Book
5
by Stevenson, John J. (John James), 1841-1924
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1876

Government Document Book
6
Harrisburg, Pa. : Wm. Stanley Ray, State Printer, 1914

Government Document Book
7
by McCreath, Andrew S. (Andrew Smith), 1849-, Frazer, Persifor, 1844-1909, Platt, Franklin, 1844-1900, Lesley, J. P. (J. Peter), 1819-1903
Harrisburg : Published by the Board of Commissioners for the Second geological survey, 1879

Government Document Book
8
by D'Invilliers, E. V. (Edward Vincent), 1857-1928
Harrisburg [Pa.] : Pub. by the board of commissioners for the Second geological survey, 1891

Government Document Book
9
by Platt, Franklin, 1844-1900
Harrisburg [Pa.] : Published by the Board of Commissioners for the Second Geological Survey, 1877

Government Document Book
10
by Sherwood, Andrew, 1848-1933
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1880

Government Document Book
11
by Hall, Charles Edward, 1852-1908
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second geological survey, 1878

Government Document Book
12
[Harrisburg, Pa.] : [Geological Survey], 1885

Government Document Book
13
by Lehman, Ambrose E. (Ambrose Edwin), 1851-1917
[Harrisburg, Pa.] : Geological Survey of Pennsylvania, 1875

Government Document Map
14
by Platt, Franklin, 1844-1900
Harrisburg [Pa.] : Published by the Board of Commissioners for the Second Geological Survey, 1877

Government Document Book
15
by Lesley, J. P. (J. Peter), 1819-1903
[Philadelphia, Pa] : Wm. A. Ingham, 1893

Government Document Map
16
by Hall, Charles Edward, 1852-1908
Harrisburg [Pa.] : Pub. by the Board of Commissioners for the Second Geological Survey, 1885

Government Document Book
17
Harrisburg, [Pa.] : Published by the Board of Commissioners for the Second Geological Survey, 1883

Government Document Book
18
Harrisburg, Pa. : Pennsylvania Geological Survey, 1965

Government Document Book
19
[Harrisburg] : Pennsylvania Geological Survey, 1959

Government Document Conference Proceeding Book
20
[Harrisburg, Pennsylvania] : [Board of Commissioners for the Second Geological Survey], 1877

Government Document Map