992 resultados para GROUND-STATES
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"February 1970."
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"16 January 1984."
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Bibliography: p. 19-21.
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Issued Aug. 1979.
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"B-219741"--p.1.
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Mode of access: Internet.
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"October 1994."
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Includes bibliographical references.
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Mode of access: Internet.
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Item 1005-C
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Mode of access: Internet.
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"September 28, 1988"--Pt. 2.
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At head of title: State of Louisiana, Dept. of Public Works in cooperation with The United States Geological Survey.
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"Prepared in cooperation with the United States Department of the Interior, Geological Survey"
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Mode of access: Internet.