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48 SOIL SURVEY <br /> TABLE 4.—Estimated physical <br /> Classification <br /> Depth <br /> Soil series and map symbols from <br /> surface <br /> USDA texture Unified AASHO <br /> Inches <br /> Alluvial land (Al). 0-48 (1)--------------------------- (')----------- (`)----------- <br /> Badland (Ba). (') --------------------------- (')----------- ----------- <br /> Billings: <br /> Gravelly clay loams (BcA, BcB, BcQ. 0-12 Gravelly clay loam------------- CL----------- A-7---------- <br /> 12-60 Silty clay loam---------------- CL---------- A-7---------- <br /> Silty clays (BdA, BdB, BdC). 0-12 Silty clay--------------------- C1-1---------- A-7---------- <br /> 12-60 Silty clay loam---------------- CL----------- A-7---------- <br /> Silty clay, loamy substratum (BeA). 0-12 Silty clay--------------------- CH---------- A-7---------- <br /> 12-60 Loam------------------------ CL-ML------ A-6---------- <br /> Silty clays,shale substratum (8fA, Bf8). 0-12 Silty clay--------------------- CFI---------- A-7---------- <br /> 12-48 Silty clay loam---------------- CL----------- A-7---------- <br /> Silty clay loams (BgA, BgB, BgQ. 0-36 Silty clay loam---------------- CL---------- A-7---------- <br /> 36-60 Silty clay loam and clay loam--- CL---------- A-7---------- <br /> Silty clay loam, gravel substratum (BhA). 0-48 Silty clay loam---------------- CL---------- A-7---------- <br /> 48-60 Gravelly clay loam------------- CL---------- A-6---------- <br /> Silty clay loams, shale substratum (BkA, BkB). 0-36 Silty clay loam---------------- CL----------- A-7---------- <br /> Blanyon: <br /> Silty clay loam (BnB). 0-6 Silty clay loam---------------- CL---------- A-7---------- <br /> 6-60 Silty clay--------------------- CH---------- A-7---------- <br /> Silty clay loam, moderately wet variant (8p). 0-6 Silty clay loam---------------- CL---------- A-7---------- <br /> 6-60 Silty clay--------------------- CH---------- A-7---------- <br /> Bostwick: <br /> Fine sandy loam, coarse subsoil variant, and gravelly 0-8 Gravelly loam or fine sandy loam- ML---------- A-4---------- <br /> loam (BrC, BsB). 8-30 Clay loam-------------------- CL---------- A-6---------- <br /> 30-60 Loam------------------------ ML---------- A-4---------- <br /> Loams (BtA, BtB, BtQ. 0-8 Loam------------------------ ML---------- A-4---------- <br /> 8-30 Clay loam-------------------- CL---------- A-6---------- <br /> 30-60 Loam------------------------ ML---------- A-4---------- <br /> Stony loams (BwB, BwC, BwD) 0-8 Stony loam------------------- ML---------- A-4--------- <br /> 8-30 Clay loam-------------------- CL----------- A-6--------- <br /> 30-60 Loam------------------------ ML---------- A-4---------- <br /> Cerro (CCB, CcC). 0-20 Clay loam-------------------- CL----------- A-6--------- <br /> 20-60 Stony clay loam--------------- CL---------- A-6---------- <br /> Chaera (M kA). (For Menoken part of M kA,see Menoken 0-5 Loam------------------------ ML---------- A-4---------- <br /> series.) 5-17 Clay loam-------------------- CL---------- A--6---------- <br /> 17-30 Loam------------------------ ML---------- A-4---------- <br /> Chipeta (CeA, CeB, ChC, ChC2, CkC, CIC). (For Persayo 0-10 Silty clay--------------------- CH---------- A-7---------- <br /> p pof ChC, ChC2, CkC, and CIC,see Persayo series;for <br /> Ma part of CkC, see Mesa series; andJfor Rance part <br /> of CIC, see Rance series.) <br /> Christianburg (CmA, CmC). 0-14 Silty clay to silty clay loam----- CH---------- A-7---------- <br /> 14-60 Silty clay--------------------- CH---------- A-7---------- <br /> Colona: <br /> Clays (CoA, CoQ. 0-3 Clay------------------------- CH---------- A-7---------- <br /> 3-60 Silty clay--------------------- CH---------- A-7---------- <br /> Clay,gravel substratum (CsA). 0-3 Clay------------------------- CH---------- A-7---------- <br /> 3-30 Silty clay--------------------- CH---------- A-7---------- <br /> 30-60 Gravel----------------------- GC-GW------ A-1---------- <br /> See footnotes at end of table. <br />