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Revised 6-16-81 <br />Soil Profile Description.- <br />A1 0-4"--Light brownish gray (lOYR 6/2) loam, dark <br />grayish brown (lOYR 4/2) moist; moderate very fine <br />granular structure; soft, very friable, slightly <br />sticky, slightly plastic; few fine and medium roots; <br />some bleached sand grains; midly alkaline; abrupt <br />smooth boundary. <br />B21t 4-10"--Grayish brown (lOYR 5/2) clay, dark grayish <br />brown (lOYR 4/2) moist; strong coarse prismatic <br />structure parting to course angular blocks; extremely <br />hard, firm, very sticky, plastic; few fine and <br />medium roots; thin continuous clay films on peds <br />and in pores; stongly calcareous; moderately alkaline <br />gradual wavy boundary. <br />B22t 10-16"-- Grayish brown (lOYR 5/2) clay, dark grayish <br />brown (lOYR 4/2) moist; moderate coarse prismatic <br />structure parting to coarse angular blocks; extremely <br />hard, sticky plastic; few fine roots, thin nearly <br />continuous clay films on peds and in pores; strongly <br />calcareous; moderately alkaline; gradual wavy boundary. <br />Baca 16-20"--Light brownish gray (lOYR 6/3) light clay, <br />dark grayish brown (.lOYR 4/2) moist; weak coarse <br />angular blocky structure; extremely hard, firm <br />sticky, plastic; few patchy clay films on peds and <br />in pores; concretions and thin seams of secondary <br />• calcium carbonate; strongly calcareous; moderately <br />alkaline; diffuse wavy boundary. <br />Cca 20-30"--Light yellowish brown (2.5Y 6/3) clay loam, <br />light olive brown (2,5Y 5/3) moist; massive; very <br />hard, firm, sticky, plastic; concretions, thin seams <br />and streaks of secondary calcium carbonate; strongly <br />calcareous; moderately alkaline; diffuse wavy boundary. <br />Ct 30-60"--Calcareous clay shale. <br />Depth to uniformly calcareous material ranges <br />incles. Content of coarse fragments ranges from 0 <br />Texture of the B2t horizon is a heavy clay loam or <br />carbonate equivalent ranges from about 3 to 14 per <br />the A horizon is slightly acid to mildly alkaline; <br />is slightly acid to moderately alkaline; and the C <br />erately or stongly alkaline. <br />from.6 to 30 <br />to 10 percent. <br />light clay. Calcium <br />cent. Reaction of <br />the B2t horizon <br />horizon is mod- <br />Capability units are VIe-2 for nonirrigated and VIe-7 for <br />irrigated. <br />RECEIVED <br />. JUL 9 isa~ <br />MINED LAND RECLAMATION-COAI <br />COLO DEDT. OF NATURAL RESO..~~-ES <br />M-6 <br />