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(3/S2 • Manzano series. The Manzano series consists terraces and foot slopes in allu for-rned ire alluvium and colluvium rock. Slope is 2 to 15 percent. to Z~ inches, and average annual F. of deep, well drained soils on stream vial valley floors. These soils derived dominantly from sedimentary Average annual precipitation is 15 air temperature is 47 to 51 degrees These soils are fine-loamy, mixed, mesic Cumulic Haplustolls. Typical pedon of Manzano loam, 0 to 2 percent slopes, about I,lOCr feet east and 300 feet north of the southwest corner of sec. 33, T. 34 S.. R. n5 W. Al--0 to 3 inches; dark grayish brown (10YR 4/2) loam, very dart: grayish brown (10YR 3/2) moist; moderate very fine granular structure; slightly hard, friable, slightly sticky and nonelastic; neutral; abrupt smooth boundary. A2--3 to 6 inches; dark grayish brown (lOYR 4/2) loam, very dark grayish brown (10YR 3/2) moist; moderate very coarse platy structure parting to weak medium subangular blocks; hard, friable, slightly sticky and r~onplastic; neutral; abrupt smooth Goundary. • Bw--6 to 25 inches; dark grayish brown (lUYR very hard, firm, slightly smooth boundary. dark grayish brown (lOYR 4/Z) clay loam, very 3/Z) moist; weak coarse prismatic structure; sticky and slightly plastic; neutral; clear C--25 to 50 inches; dark grayish browr, (lOYR 4/c) loam, very dark grayish t~rr.,wn (lOYR 3/2) moist; massive; hard, friable, nonsticky ar~d nonelastic; calcareous; moderately alkaline. Bedrock is at a depth of 60 inches or more. The mollic epipedor~ is ~0 to EO inches thick. The percent organic matter- is more tl-~an 0.3 percent to a depth of 50 inches and decreases irregularly with depth.. Lime is at a depth of 25 to 60 inches. Texture is loam or light clay loam. Clay content is 18 to 34 percent. Reaction is neutral, mildly al4::aline, or moderately alkaline.^