2017-05-16_PERMIT FILE - M2017009 (3)

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110 SUIT. SURVEY measurements made in many soil borings and on other A typical pedon of Albinas loam is located 72 feet west observations during the soil mapping. The kind of bedrock and 240 feet south of the northeast corner of section 28, and its hardness as related to ease of excavation are also T.12N., R.51W. shown. Rippable bedrock can be excavated with a single- Ap—O to 6 inches, grayish brown (iOYR 5/2) loam, very' dark grayish tooth ripping attachment on a 200-horsepower tractor, but brown (IOYR 3/2) moist; weak fine granular structure, slightly hard bedrock generally requires blasting. hard, friable; neutral (pH 7.0); abrupt smooth boundary. (4 to s Potential frost action refers to the likelihood of damage inches thick) to pavements and other structures by frost heaving and B1-6 to 12 inches; dark grayish brown (IOYR -1/2) loam, very dark low soil strength after thawing. Frost action results from grayish brown(IOYR 3/2)moist; weak medium prismatic parting to the movement of soil moisture into the freezing tempera- moderate subangular blocky structure, hard, friable; very thin patchy- clay films on faces of peds; neutral (pH 7 2); clear smooth ture zone in the soil, which causes ice lenses to form. Soil boundary (3 to 6 inches thick) texture, temperature, moisture content, porosity, permea- B21t--12 to 1S inches, grayish brown (IOYR 5/2) light clay loam, very bility, and content of organic matter are the most impor- dark grayish brown (IOYR 312) moist, moderate medium prismatic tant soil properties that affect frost action. It is assumed parting to moderate subangular blocky structure, hard,friable; thin that the soil Is not covered by insulating vegetation Or patchy clay films on faces of peels; neutral (pH 7.2); clear smooth boundarv.(6 to 10 inches thick) snow and is not artificially drained. Silty and clayey soils B22t--I8 to 29 inches; grayish brown (iOYR 5/2) light clay loam, very that have a high water table in winter are most suscepti- dark grayish brown (IOYR 3/2) moist; moderate medium prismatic ble to frost action. Well drained very gravelly or sandy parting to moderate medium subangular blocky structure; hard, fri- soils are the least susceptible. able; thin patchy clay films on faces of peds; neutral(pH 7.2); clear smooth boundary (S to 1.1 inches thick) B3ca--29 to 32 inches,gray(IOYR 6/1)loam,dark grayish brown(IOYR 4/2)moist;moderate medium prismatic parting to moderate medium Classification of the Soils subangular blocky structure; hard,friable, thin patchy clay films on ped faces,calcareous; mildly alkaline(pH 7.8);clear smooth bounda- In this section, the soil series recognized in the survey ry.(3 to 5 inches thick) area are described, the current system of classifying soils Clca-32 to 43 inches; light gray (IOYR 7/2) loam, light brownish gray is defined, and the soils in the area are classified accord- (IOYR 6/2) moist; massive; hard. very friable; calcareous with thin ing to the current system. lime seams and streaks, moderately alkaline (pH 8.2); gradual smooth boundary.(9 to 14 inches thick) C2 -43 to 52 inches, light brownish gray GOYR 6/2) very fine sandy Soil Series and Morphology loam, brown (10YR 5/3) moist, massive; slightly hard, very friable; calcareous, mildly alkaline(pH 7.8); clear smooth boundary.(9 to 17 In this section, each soil series recognized in the survey inches thick) area is described in detail. The descriptions are arranged I10-52 to 60 inches;yellowish brown(IOYR 5/4)gravelly coarse sand, in alphabetic order by series name. brown QOYR 5/2) moist; single grained, loose, dry and moist; cal- Characteristics of the soil and the material in which it careous;mildly alkaline(pH 7.6). formed are discussed for each series. The soil is then Thickness of the mollic epipedon ranges from 20 to 40 inches. Depth compared to similar soils and to nearby soils of other se- to horizons of calcium carbonate accumulations is 20 to 30 inches. Con- ries. Then a pedon, a small three-dimensional area of soil trasting C horizons are common below depths of 40 inches. The A horizon has color value of 4 or 5 dry, 2 or 3 moist and chroma typical of the soil series in the survey area, is described. of 2 or 3. It is a loam or fine sandy loam.Texture of the B2t horizon is The detailed descriptions of each soil horizon follow stan- loam,clay loam or sandy clay loam.Texture of the C horizon is a loam, dards in the Soil Survey Manual (4). Unless otherwise silt loam or fine sandy loam. noted, colors described are for moist soil. Following the pedon description is the range of impor- Aida Series tant characteristics of the soil series in this survey area. The Aida series consists of deep, somewhat poorly Phases, or mapping units, of each soil series are described drained soils that formed in calcareous, stratified alluvium in the section "Soil Maps for Detailed Planning." underlain by a mixture of sand and gravel. Aida soils are on low terraces and bottomlands and have slopes of 0 to 1 Albinas Series percent. Average annual precipitation ranges from 13 to The Albinas series consists of deep, well drained soils 19 inches and the mean annual temperature is about 49 that formed in calcareous alluvial materials. Albinas soils degrees F. are on upland flood plains and alluvial fans and in Aida soils are similar to the Loveland soils. They are drainageways and have slopes of 0 to 3 percent. Average near the Loveland, Hayford and Westplain soils. Loveland annual precipitation ranges from 13 to 19 inches and soils have loam and light clay loam underlying layers. mean annual temperature is about 48 degrees F. Hayford soils have heavy clay loam or clay 132t horizons. Albinas soils are similar to the Satanta and Haxtun Westplain soils have sand and gravel at depths less than soils. They are near the Satanta, Rago, Kuma, and Keith 20 inches. soils. Satanta and Keith soils have dark colored surface A typical pedon of Alda loam is located 690 feet west layers extending to less than 20 inches. Haxtun, Rago and and 500 feet north of the SE corner of section 33, TAON., Kuma soils have buried sola within 40 inches. R.50W.