الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
Geology
55
Mines and mineral resources
26
Géologie
18
Coal
12
Petroleum
12
Pétrole
11
Natural gas
7
المزيد ...
1
بواسطة Dodge, Clifford H.
[Harrisburg: Pennsylvania Geological Survey, 2005
[Harrisburg: Pennsylvania Geological Survey, 2005
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وثيقة رسمية
كتاب
2
بواسطة Chance, H. M. (Henry Martyn), 1856-1937
Harrisburg : Pub. by the Board of Commissioners for the Second Geological Survey, 1884
Harrisburg : Pub. by the Board of Commissioners for the Second Geological Survey, 1884
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كتاب
3
بواسطة Jaron, Michael G.
Harrisburg, Pennsylvania Geological Survey, 1967
Harrisburg, Pennsylvania Geological Survey, 1967
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كتاب
4
بواسطة Moore, Patrick Joseph, 1948-
Clarion, Pa. : Clarion State College, 1981
Clarion, Pa. : Clarion State College, 1981
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كتاب
5
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
الكتروني
كتاب
6
بواسطة Edmunds, William E.
Harrisburg, Pennsylvania Geological Survey, 1969
Harrisburg, Pennsylvania Geological Survey, 1969
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كتاب
7
بواسطة Chance, H. M. (Henry Martyn), 1856-1937
Harrisburg : Board of Commissioners for the Second Geological Survey, 1884
Harrisburg : Board of Commissioners for the Second Geological Survey, 1884
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كتاب
8
بواسطة Bolger, Robert C.
[Harrisburg] : Pennsylvania Bureau of Topographic and Geologic Survey, 1953
[Harrisburg] : Pennsylvania Bureau of Topographic and Geologic Survey, 1953
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كتاب
9
بواسطة Faill, Rodger T.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989
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وثيقة رسمية
كتاب
10
بواسطة 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.
كتاب
11
بواسطة Dodge, Clifford H.
[Harrisburg: Pennsylvania Geological Survey, 2004
[Harrisburg: Pennsylvania Geological Survey, 2004
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وثيقة رسمية
الكتروني
كتاب
12
13
بواسطة Glass, Gary B.
Harrisburg, [publisher not identified], 1974
Harrisburg, [publisher not identified], 1974
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كتاب
14
بواسطة Glover, Albert D.
Harrisburg [Pennsylvania Topographic and Geologic Survey], 1978
Harrisburg [Pennsylvania Topographic and Geologic Survey], 1978
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كتاب
15
بواسطة Edmunds, William E.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1968
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1968
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وثيقة رسمية
كتاب
16
بواسطة Chance, Henry Martyrn, 1856-
Harrisburg : Pub. by the Board of commissioners for the Second geological survey, 1884
Harrisburg : Pub. by the Board of commissioners for the Second geological survey, 1884
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كتاب
17
18
بواسطة Reese, John F.
[Harrisburg] : Bureau of Topographic and Geological Survey, 1922
[Harrisburg] : Bureau of Topographic and Geological Survey, 1922
This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
كتاب
19
بواسطة Edmunds, William E.
Harrisburg : [publisher not identified], 1969
Harrisburg : [publisher not identified], 1969
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كتاب
20
بواسطة Dodge, Clifford H.
[Harrisburg] : Pennsylvania Geological Survey, 2005
[Harrisburg] : Pennsylvania Geological Survey, 2005
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الكتروني
كتاب