. Bulletin of the United States Geological and Geographical Survey of the Territories. Geology. M. 1.] HOLMES ON FOSSIL FOKESTS OF YELLOWSTONE PAEK. 127. Fig. 1.—Section in the north, face of Amethyst 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. ). Washington : Government Printing Office

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectgeology, bookyear1874