. A treatise on rocks, rock-weathering and soils;. Petrology; Soils. PLATE 31. Gullied field, near Marion, North Carolina. PLATE 31.—Gullied field, near Marion, North 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 Merrill, George P[erkins] 1854-. New York, London, The Macmillan company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpetrolo, bookyear1913