. The nature and properties of soils; a college text of edaphology. Soils. GEOLOGICAL CLASSIFICxiTION OF SOILS 59 ice sheets as they advanced and retreated in response to their environment. The great loads of sediment carried by such streams were either dumped down immediately or carried to other areas for deposition. As long as the water had ready egress it flowed rapidly away to deposit its load as gravelly. Fig. 13.—Diagram showing how glacial lakes were formed in 'New York State. The lighter shading represents the Ontarian ice lobe; the darker shading indicates the position of the glacial
. The nature and properties of soils; a college text of edaphology. Soils. GEOLOGICAL CLASSIFICxiTION OF SOILS 59 ice sheets as they advanced and retreated in response to their environment. The great loads of sediment carried by such streams were either dumped down immediately or carried to other areas for deposition. As long as the water had ready egress it flowed rapidly away to deposit its load as gravelly. Fig. 13.—Diagram showing how glacial lakes were formed in 'New York State. The lighter shading represents the Ontarian ice lobe; the darker shading indicates the position of the glacial lake waters in the Ontario and Hudson river basins, (After Pairchild.) ontwash, river terraces, valley trains and alluvial fans. In many cases, however, the ice front came to a stand where there was no such ready egress and ponding occurred. Often very large lakes were formed which existed for many years. (See Fig. 13.) "With the ice melting rapidly on the hill tops these lakes were constantly fed by torrents from above, which were laden with sediment derived not only from under the ice,. 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 Lyon, T. L. (Thomas Lyttleton), 1869-1938; Buckman, Harry Oliver, 1883-. New York, Macmillan
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Keywords: ., bookauthorlyontlth, bookcentury1900, bookdecade1920, bookyear1922
