999 resultados para Maryland Geological Survey


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Place varies: Arlington, Va., <1977- >

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Some numbers published in parts.

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Bibliography: p. 86-89.

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Title Varies: 1st: Annual Report of the State Geologist; 2d, 5th: Annual Report on the Geological Exploration; 3d-4th, 6th: Annual Report on the Geological Survey

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At head of title: Department of the Interior. United States Geological Survey.