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1by Geological Survey (U.S.) Alaskan Branch“...Geological Survey...”
Published 1935
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3by Geodetic Survey of Canada“...Geodetic Survey of Canada;...”
Published 1921
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7by U.S. Coast and Geodetic Survey“...U.S. Coast and Geodetic Survey...”
Published 1911
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8by U.S. Coast and Geodetic Survey;“...U.S. Coast and Geodetic Survey;...”
Published 1870
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13by U.S. Coast and Geodetic Survey“...U.S. Coast and Geodetic Survey (Washington)...”
Published 1947
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14by Geological Survey (U.S.); National Science Foundation (U.S.);“...Reston, VA : U. S. Geological Survey...”
Published 1977
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15by Geological Survey (U.S.);“...Reston, Va. : U.S. Geological Survey...”
Published 1989
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16by Geological Survey (U.S.)“...Washington, D.C. : Geological Survey (U.S.)...”
Published 1906
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18by Geological Survey (U.S.)“...Washington, D.C. : Geological Survey (U.S.)...”
Published 1907
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