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Fuera Series <br />• Depth class: Very deep <br />Drainage class: Well drained <br />Parent material: Colluvium, <br />residuum <br />Landform: Mountains <br />Landscape position: Mountain <br />ridgetops, mountainsides <br />Slope: 10 to 45 percent <br />Average annual precipitation: 17 <br />to 22 inches <br />Average annual air temperature: <br />42 to 46 degrees F <br />Taxonomic class: Fine, mixed, <br />Typic Eutroboralfs <br />Typical Pedon <br />Typical pedon of a Fuera cobbly <br />loam in an area of Fuera-Dargol- <br />Vamer complex, 10 to 45 percent <br />slopes, about 900 feet west of <br />end of trail and 500 feet south <br />of the mouth of Lorencito and <br />Johnson Canyons in an <br />• unsectionalized area, T. 34 S., <br />R. 66 W. <br />Oi=O to 2 inches; pine needles. <br />E=2 to 7 inches; pale brown <br />(lOYR 6/3) cobbly loam, brown <br />(lOYR 4/3) moist; moderate fine <br />granular structure; slightly <br />hard, friable, slightly sticky <br />and slightly plastic; to percent <br />pebbles, 10 percent cobbles; <br />neutral; clear wavy boundary. <br />E/B=7 to 11 inches; pale brown <br />(lOYR 6/3) to yellowish brown <br />(lOYR 5/4) cobbly clay loam, <br />dark yellowish brown (lOYR 4/4) <br />moist; moderate fine subangular <br />blocky structure; hard, firm, <br />slightly sticky and slightly <br />plastic 5 percent pebbles, 15 <br />percent cobbles; slightly acid; <br />clear wavy boundary. <br />Bt1=11 to 27 inches; light <br />• yellowish brown (lOYR 6/4) <br />cobbly clay, dark yellowish <br />brown (lOYR 4/4) moist; strong <br />fine subangular blocky <br />structure; thin continuous clay <br />films on faces of peds; very <br />hard, very firm, sticky and <br />plastic; 15 percent pebbles, 10 <br />percent cobbles; neutral; <br />gradual smooth boundary. <br />Bt2=27 to 47 inches; yellowish <br />brown (lOYR 5/6) cobbly clay, <br />dark yellowish brown (lOYR 4/6) <br />moist; strong medium subangular <br />blocky structure; very hard, <br />very firm, sticky and plastic; <br />percent pebbles, 25 percent <br />cobbles, neutral; clear wavy <br />boundary. <br />C=47 to 60 inches; light olive <br />brown (2.5Y 5/4) cobbly clay, <br />light olive brown (2.5Y 5/6) <br />moist; massive; hard, firm, <br />sticky and plastic; 10 percent <br />pebbles, 10 percent cobbles; <br />slightly acid. <br />Range in Characteristics <br />Thickness of the solum: 28 to 60 <br />inches <br />Depth to bedrock: 60 or more <br />inches; some profiles 40 to 60 <br />inches <br />Content of coarse fragments in <br />the control section: 5 to 35 <br />percent <br />Clay content: 35 to 50 percent <br />E horizon: <br />Texture=loam or stony loam <br />Reaction: neutral or slightly <br />acid <br />B horizon: <br />Texture=clay loam, stony clay <br />loam, clay, or silty clay <br />Reaction: neutral, slightly <br />acid or medium acid <br />5-1-16 <br />