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64 <br />SOIL SURVEY <br />TABLE 5. Estimated engineering <br /> Depth to Classi cation Coarse <br /> seasonal Depth fraction <br />Soil series and high from USDA texture greater <br />map symbols water surface than 3 <br /> table inches <br /> Unified AASHTO <br /> r.rr r~~e., rrrrem <br />Stroupe: StE________________ >6 0-0 Stony loam, very stony loam__._ SM, ML A-4 45-70 <br /> 9-25 Stony clay, very stony clay, GC A-6, A-7, A-2 30-50 <br /> very stony clay loam. <br /> 25 Unweathered bedrock. <br />Table 5fountain: TM__._..._ >6 0-7 Loam, fine sandy loam, clay GL-hf L, CL, A-4 0 <br /> loam. SC-F M, SC <br /> 7-60 Loam, silt loam, silty clay loam_ CL-SS L, CL A-4 0 <br />• Travessilla: ToD, TrG...._.. >6 0-14 Sandy loam, gravelly sandy Sbf, SC-SM A-? 0-'L5 <br />Rock outcrop par[ of TrG loam. <br />is too variable to esti- 14 Unweathered bedrock. <br />mate. <br />Yalent: Va ... .............. >6 0-4 Fine sand, loamy sand_____-_.. SM, SC-SM A-^ 0 <br /> 4-60 Fine sand, sand______________ SP-SM,SM A-2, A-3 0 <br />Vumer: VmE _ _ _ _ _ _ _ _ _ _ _ _ _ > 6 0-12 Very stony loam, very stony GC A-6 30-60 <br />Ruck outcrop part is too clay loam. <br />vuriable to estimate. 12 Unweathered bedrock. <br />Vona: <br />Vo ........................ 76 0-8 Sandy loam_____________.._ SM, SC-SM A-2, A-1 0 <br /> 8-:10 Fine sandy loam, sandy loam___ SM, SC-SM A-2, A-3 0 <br /> 30-60 Sandy loam, loamy fine sand.__- SM A-2 0 <br />Vn, Vs2___________________ >6 0-8 Loamy fine sand, loamy sand-_. SM A-2 0 <br />Fur Otero part of Vs2, 8-30 Fine sandy loam, sandy loam_ _ _ SM, SC-SM A-2, A-4 0 <br />see Otero series. 30-60 Sandy loam, loamy fine sand_.. _ Sbl A-'3 0 <br />Wetmore: WE______________ >6 0-1.3 Gravelly coarse sandy loam____. SC-SM, SC A-2 5-20 <br />For Mortenson part, see 1'?-18 Gravelly coarse sandy loam, SC, GC A-'? 5-40 <br />Mortenson series. sandy clay loam. <br /> 18 Unweathered bedrock. <br />Wiley: Wk_________________ >6 0-6 Silt loam, loam__________....__ CL-tit L, CL A-4, A-6 0 <br />For Kim part, see Kim 6-15 Silty clay loam, silt loam..... _ _ CL A-6 0 <br />series. 15-50 Silt loam, silty clay loam, loam_ CL-ML, CL A-4, A-6 0 <br /> 50-60 Wen[hered shale and s;mds[one. <br />Wunnser: Wo_________ __ __ >6 0-4 Silt loom. _.._____ .._ AI L, CL A1L A-•1 0 <br /> 4-33 Clay loam, clay, silty clay loam_ CL A-6, A-7 0 <br /> 33 Unweathered bedrock. <br />Depth to bedrock is the distance from the surface <br />• of Che ,oil to the rock layer (ti y;. 7). <br />Depth to seasonal high water table is the distance <br />from the surface of the soil to the highs,[ level that <br />ground ++•ater reaches in the soil in most }ears. <br />Soil texture is described in table 5 in the standard <br />terms used by the Department of Agriculture. These <br />terms take into account the relative percentages of <br />sand, silt, and clay in soil material that is less than 2 <br />millimeters in diameter. "Loam," for example, is soil <br />material that is 7 to 27 percent clay, 28 to 50 percent <br />silt, and less than 52 pet•cent sand. If the soil contains <br />gt•avel or other particles coarser than sand, an ap- <br />propriate modifier is added, for example, "gravelly <br />loamy sand." "Sand," "silt," "clay," and some of the <br />other terms used are defined in the Glossary of this <br />soil survey. <br />Permeability is that quality <br />tri lrunsniit water cir air. IL i> <br />of tho..e ;nil ch.u•~irtcristics <br />partii•ularly atru+~ture and te: <br />table 5 do not take into accoun <br />transient .oil features as plow <br />available water capacity is <br />hold water for use by most pl; <br />fined as the difference betvvee <br />in the soil at field capacity and <br />ing point of most crop plants. <br />Reaction is the degree of at <br />soil, expressed as a pH value. ' <br />rued to describe soil t•eactiot <br />Glossary. <br />Salinity refers to the amour <br />soil. It is expressed as the elect <br />of a soil that enable; it <br />cstinutlcrl un the basis <br />observed in the field, <br />tore. The estimates in <br />lateral seepage or such <br />.ass and surface crusts. <br />the ability of soils to <br />nts. It is commonly de- <br />i the amount of water <br />the amount at the wilt- <br />dity or alkalinity of :i <br />he pH value and term.; <br />are explained in the: <br />of soluble salting in the <br />cal conductivity of thr <br />