982 resultados para Geological Survey (U.S.). Office of Water Data Coordination.
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Mode of access: Internet.
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"NSF 94-49"--P. [4] of cover.
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Bibliography: p. 232.
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"AD-260 734."
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Description based on: 1962.
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Mode of access: Internet.
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"4/92."
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GeoRef
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"The first two years of this three year project were undertaken as Cooperative Research Project 6399, by Vanderbilt University and the U.S. Office of Education."
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Mode of access: Internet.
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Title from cover.
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Fiscal year ends June 30.
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Mode of access: Internet.
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Mode of access: Internet.