Ferdinand V. Hayden

Public Domain
Hat mitgewirkt an:
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Preliminary report of the United States Geological Survey of Montana and portions of adjacent territories : being a fifth annual report of progress
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Report of the United States Geological Survey of the Territories. 9. 1876
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Annual report of progress of the exploration for the year 1875 embracing Colorado, parts of adjacent territories
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Report of the United States Geological Survey of the Territories : Department of the Interior. (Texte.), VII,II