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1by Wisconsin Geological and Natural History Survey.“...The Survey...”
Published 1959
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2by United States. Coast and Geodetic Survey; Gilbert, J. J.“...Washington : The Survey...”
Published 1894
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4by Environmental Research Laboratories (U.S.), National Ocean Survey., U.S. Coast and Geodetic Survey.“...Washington : The Survey...”
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5by Geological Survey (U.S.) Alaskan Branch“...Geological Survey...”
Published 1935
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6“...U.S. Geological Survey/U.S. Geological Survey/U.S. Geological Survey...”
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8“...Geographical Survey Institute/Geographical Survey Institute...”
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14by O Dochartaigh, B.E., MacDonald, A.M., Black, A., Everest, J., Wilson, P., Darling, W.G., Raines, M., Jones, L.“...British Geological Survey...”
Published 2016
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15by Pettigrew, T.H.“...British Antarctic Survey...”
Published 1981
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Article in Journal/Newspaper -
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17by Barrow, C.J.“...British Antarctic Survey...”
Published 1983
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Article in Journal/Newspaper -
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