REFINE
Browse All : Images by Gannett, Henry of Wyoming and Montana
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Author
[U.S. Geological and Geographical Survey of the Territories, Hayden,Ferdinand Vandeveer]
Note
Full color map. Relief shown by contours and spot heights. Depths shown by soundings. Includes sedimentary charts, and notes. No. 6 on verso. To accompany the Survey's 12th annual report (1878).
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