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0~~ ~(~~~ <br />rnmm~mrnlul mrnutu and rnpmurr <br />0 <br />G <br />Iz <br />la <br />24 <br />30 <br />36 <br />42 <br />4s <br />54 <br />6kyI~ICL <br />okyz- CL <br />GO ~_ <br />(Depth in inches) <br />Soil Data Sheet-Unnamed silty clay loam <br />1\4ap Unit Symbol : SAI (inclusion) <br />Stop Number: 19 <br />Parent Material : alluviu m <br />Elevation (ft) : 6,360 <br />Landscape position : Drainage bottom (1s t terrace) <br />Slope (%) : 1 <br />Aspect : NW <br />Surficial rock fragments : 0% gra vels, 0% cobbles, 0% stones <br />Sample no. 1 2 3 4 <br />Horizon A Bw Bkyl Bky2 <br />Depth (inches) 0-5 5-24 24-31 31-40 <br />Color (moist) IO YR 3/2 lOYR 4/4 lOYR 4/4 lOYR 3/3 <br />OM (%) 5.2 23 2.5 23 <br />Tcxttrre (USDA) SICL SICL SICL CL <br />% VFS 13.9 12.6 14.7 14.0 <br />%Sand 17.3 18.2 19.1 21.8 <br />% Sill 51.2 52.2 50.4 47.7 <br />% Clay 31.5 29.6 30.5 30.5 <br />Saturation % 66.7 50.6 57.0 63.4 <br />Structure 1 Cgr 2 m sbk I ra sbk m <br />Consistence <br />Dry sh h h h <br />Moist vfr fr fr [i <br />Wct ss/p ss/p ss/p ss/p <br />pH (paste) 7.2 7.7 7.9 8.1 <br />Reaction (10% HCI) co e c e <br />Carbonate segregation - d d & I sf d & l sf <br />Carbonate (%) 2.8 4.1 3.6 2.5 <br />Gypsum segregation - - 1 ss 3 ss <br />Gypsum (%) <0.1 <0.1 1.0 2.7 <br />Clay Films - - - - <br />Boundary cs aw cw - <br />Soluble cations <br />Ca (ppm) 5.11 3.91 20.7 20.0 <br />Mg (ppm) 536 2.98 42.9 66.6 <br />Na (ppm) 1.06 7.86 53.9 79.2 <br />SAR 0.46 4:23 9.55 12.0 <br />EC (dS/m) 1.09 1.34 8.82 I2.0 <br />Suitable soil material <br />1r <br />u <br />\J <br />• <br />A-2 <br />