Suggested Topics within your search.
Suggested Topics within your search.
Geology
674
Mines and mineral resources
226
Géologie
202
Geology, Stratigraphic
102
Petroleum
89
Natural gas
82
Mineral industries
53
more ...
1
by Shaffner, Marchant N. (Marchant Nissley), 1897-
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
2
by Roen, John B.
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
3
by MacLachlan, David B.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
4
by Harper, John A.
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1983
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1983
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
5
by Carter, William Douglas, 1926-
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
6
by Berg, Thomas M.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1979
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1979
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
7
by MacLachlan, David B.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1983
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1983
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Map
8
9
by Ingham, A. I. (Albert Irwin), 1914-2002
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey 1951
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey 1951
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
10
by Knowles, Raymond R.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
11
by Chafetz, Henry
Harrisburg [Pa. Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
Harrisburg [Pa. Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
12
by Socolow, Arthur A.
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
13
by Socolow, Arthur A.
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
14
15
16
by Socolow, Arthur A.
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1959
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document
Book
17
18
by Wagner, Warren Richard, 1912-
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1961
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1961
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Government Document
Book
19
by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1934
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1934
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Book
20
by Brown, Andrew, 1896-
Harrisburg [Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973
Harrisburg [Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973
//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Government Document
Book