. The nature and properties of soils; a college text of edaphology. Soils. THE SOIL PARTICLE 85 (Fig. 17), devised by Whitney/ presents a simple metliod for the identification of a soil from a mechanical analysis. The convenience of such a triangular representation is obvious. 100. ci40 ^30 0 10 20 50 40 50 60 70 80 PER CENT ^0 100 SILT Fig. 17.—^Diagram for the determination of class from a mechanical analysis. In using the diagram the points corresponding to^ the percentages of silt and clay are located on the silt line (abscissa) and clay line (ordinate) respectively. Perpendiculars at thes
. The nature and properties of soils; a college text of edaphology. Soils. THE SOIL PARTICLE 85 (Fig. 17), devised by Whitney/ presents a simple metliod for the identification of a soil from a mechanical analysis. The convenience of such a triangular representation is obvious. 100. ci40 ^30 0 10 20 50 40 50 60 70 80 PER CENT ^0 100 SILT Fig. 17.—^Diagram for the determination of class from a mechanical analysis. In using the diagram the points corresponding to^ the percentages of silt and clay are located on the silt line (abscissa) and clay line (ordinate) respectively. Perpendiculars at these points are then projected inward until they intersect. The name of the compartment in which the intersection occurs gives the class name of the soil in question. 46. Soil survey classification—soil type.—The function of the soil survey is to investigate the nature and occurrence =^ Whitney, M., The Use of Soils East of Ue Great Plains Begio^; II. S. Dept. Agr., Bur. Soils, Bui. 78, p. 13, 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
