. Annual report. 1st-12th, 1867-1878. Geology. U. S. Geological Surve-v: Plate XXIX ? ,• ^i-^-i—^ f r. :!b W w-«SSfc' .-. ',tn ? .|4- '; .-'.-' "?f- ? ;r6' /I lr '*' '• Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological and Geographical Survey of the Territories (U. S. ); United States. General Land Office; United States. Dept. of the Interior. Washington, Govt. Print. Off.

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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology