. Bulletin of the Geological Society of America. Geology. BULL. GEOL. SOC. AM. VOL. 18, 1906, PL. 32 y. Figure 1.—Thk Center op the Salt Plaix The irregularities consist of solid rock-salt which has broken into pentagons, 8 to 12 feet in diameter, and has buckled up much in the same fashion as mud which cracks in the sun. 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