65 resultados para Potomac (Frigate)
em University of Michigan
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Mode of access: Internet.
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Mode of access: Internet.
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Microfilm. Ann Arbor, Mich., University Microfilms [n.d.] (American culture series, Reel 352.6)
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"NPS D-84"--P. [3] of cover.
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At head of title: U.S. Department of the Interior, Geological Survey and Interstate Commission on the Potomac River Basin.
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Map on lining-paper.
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Mode of access: Internet.
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At head of cover title: Northeastern United States Water Supply Study.
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Cover title.
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"May 1980."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Ascribed by some to Col. Jacob G. Frick.