. A treatise on rocks, rock-weathering and soils;. Petrology; Soils. 3 Fig. 1. Weathered boulder of Oriskany sandstone. Fig. 2. Concentric weathering in diabase. Fig. 3. Zonal structure in weathered argillite. Fig. 4. Weathered sandstone, showing induration along joint 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