الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
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بواسطة Nichols, William D.
Trenton, N.J. : U.S. Dept. of the Interior, Geological Survey, 1977
Trenton, N.J. : U.S. Dept. of the Interior, Geological Survey, 1977
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وثيقة رسمية
كتاب
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بواسطة Zack, Allen L.
Reston, VA : U.S. Geological Survey, 1988
Reston, VA : U.S. Geological Survey, 1988
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وثيقة رسمية
كتاب
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بواسطة Carlston, Charles William, 1912-
University, ALa. : [s.n.], 1944
University, ALa. : [s.n.], 1944
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كتاب
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بواسطة Hayes, Philip T. (Philip Thayer), 1923-
Washington, D.C. : U.S. Geological Survey, 1955
Washington, D.C. : U.S. Geological Survey, 1955
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وثيقة رسمية
خريطة
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بواسطة Borman, R. G.
Reston, Va. : U.S. Geological Survey, 1983
Reston, Va. : U.S. Geological Survey, 1983
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وثيقة رسمية
خريطة
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بواسطة Plummer, F. B. (Frederick Byron), 1886-1947
Austin, Tex. : The University, 1931
Austin, Tex. : The University, 1931
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كتاب
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بواسطة Weimer, Robert J.
Golden, Colo. : Colorado School of Mines, 1980
Golden, Colo. : Colorado School of Mines, 1980
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كتاب
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بواسطة Zack, Allen L.
[Reston, Va.] : Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; For sale by Books and Open-File Reports Section, U.S. Geological Survey, 1988
[Reston, Va.] : Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; For sale by Books and Open-File Reports Section, U.S. Geological Survey, 1988
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وثيقة رسمية
كتاب
14
بواسطة Applin, Paul L. (Paul Livingston)
[Washington, D.C.] : U.S. Geological Survey, 1947
[Washington, D.C.] : U.S. Geological Survey, 1947
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كتاب
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بواسطة Roehler, Henry W.
Reston, Va. : The Survey, 1983
Reston, Va. : The Survey, 1983
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كتاب
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بواسطة Thomas, C. R.
[Washington, D.C.] : United States Dept. of the Interior, Geological Survey, 1944
[Washington, D.C.] : United States Dept. of the Interior, Geological Survey, 1944
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كتاب
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بواسطة Conant, Louis C.
[Washington] : [United States Geological Survey], 1947
[Washington] : [United States Geological Survey], 1947
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كتاب
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بواسطة Meng, Andrew A.
Washington, D.C. : U.S. G.P.O., 1988
Washington, D.C. : U.S. G.P.O., 1988
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كتاب
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بواسطة Monroe, Watson Hiner, 1907-1992
[Washington, D.C.] : United States Geological Survey, 1946
[Washington, D.C.] : United States Geological Survey, 1946
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كتاب