. Annual report. 1st-12th, 1867-1878. Geology. Plate XH. Map of Spanish Peaks Region. XLo-nrer Cccfhonif. g^j^if^, t.^a^c/M'^^- <.«A «'<'/«'. ? ^UfiperCafboniT. \222/Z^Ifakota Group. \_\__\Posf Cr-etcrceiis. m\lm\Tt-acfio^heUe. JBOlBA Porph. Tracfi^f. Colorado Group. P^^ rorah. Ti-ctehyte-dikes. ^^^ 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. );

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. Annual report. 1st-12th, 1867-1878. Geology. Plate XH. Map of Spanish Peaks Region. XLo-nrer Cccfhonif. g^j^if^, t.^a^c/M'^^- <.«A «'<'/«'. ? ^UfiperCafboniT. \222/Z^Ifakota Group. \_\__\Posf Cr-etcrceiis. m\lm\Tt-acfio^heUe. JBOlBA Porph. Tracfi^f. Colorado Group. P^^ rorah. Ti-ctehyte-dikes. ^^^ 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