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Saruche Series <br />• Depth class: Shallow <br />Drainage class: Well drained <br />Parent material: Colluvium, <br />residuum <br />Landform: Mountains <br />Landscape position: <br />Mountainsides, backslopes <br />Slope: 35 to 50 percent <br />Average annual precipitation: 16 <br />to 22 inches <br />Average annual air temperature: <br />42 to 46 degrees F <br />Taxonomic class: Clayey, <br />montmorillonitic, nonacid, <br />frigid, shallow Typic <br />Ustorthents <br />Typical Pedon <br />Typical Pedon of a Saruche <br />channery silty clay loam in an <br />area of Saruche-Rombo complex, <br />35 to 50 percent slopes, about <br />1-1/4 miles north of the <br />• Colorado State line along <br />Colorow Canyon in an <br />unsectionalized area of T. 35 <br />S., R. 65 W. <br />A=0 to 4 inches; light grayish <br />brown (2.5Y 5/2) channery silty <br />clay loam, dark grayish brown <br />(2.5Y 4/2) moist; moderate very <br />fine granular structure; very <br />hard, very firm, sticky and <br />plastic; 30 percent channery <br />fragments; neutral; clear smooth <br />boundary. <br />C=4 to 16 inches; light brownish <br />gray (2.5Y 6/2) silty clay loam, <br />dark grayish brown (2.5Y 4/2) <br />moist; weak fine subangular <br />blocky structure; very hard, <br />very firm, sticky and plastic; <br />50 percent shale fragments; <br />neutral; clear smooth boundary. <br />Cr1=16 to 20 inches; very soft <br />weathered shale. <br />. Cr2=20 to 60 inches; fractured <br />shale, calcareous in seams. <br />Range in Characteristics <br />Depth to bedrock: 8 to 20 inches <br />Content of coarse fragments in <br />the upper part of the control <br />section: 15 to 35 percent <br />channery and shale fragments <br />Content of coarse fragments in <br />the lower part of the control <br />section: 35 to 60 percent shale <br />fragments <br />Texture=silty clay loam or clay <br />loam <br />Clay content: 35 to 45 percent <br />Reaction: neutral or mildly <br />alkaline <br />5-1-22 <br />