. Bulletin of the Geological Society of America. Geology. SchisI Probable Schist gjj Qnetsb [^r'g/j Grartite I I Sandstotiiz. 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 Society of America. [New York : The Society]

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890