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180 (Refuge Pit) EXHIBIT C -2 (Page 2) <br />psum maximum: None <br />Sa "nity maximum: About 2 mmhos/cm (nonsalin <br />So • "um adsorption ratio maximum: About 0 <br />onsodic) <br />Ecological site: Semidesert Sandy Loam <br />Potent :l native vegetation: needleandthread <br />Wy. ing big sagebrush, Indian ricegra•.s, sand <br />drop eed, bottlebrush squirreltail, stre••mbank <br />whea ; rass, wormwood <br />Land capability subclass (nonirrigated): <br />Typical Prof/ <br />0 to 4 inc es; loamy fine sand <br />4 to 47 inc 'es; loamy fine sand <br />47 to 60 inc es; fine sand <br />Minor Compone s <br />Soils with thick sandy clay lo • subsoils and similar <br />soils <br />Composition: Ab • t 5 • - rcent <br />Landform: Hillsiop <br />Schooner and similar s• s <br />Composition: Abou , percent <br />Landform: Hills <br />Position on landf• m: ummit <br />Moderately deep s• Is over hale and similar soils <br />Composition: bout 5 p cent <br />Landform: Hi <br />Position on landform: Su it <br />Depth to re trictive feature. 20 to 40 inches to <br />bedro (paralithic) <br />209 —W : d, sandy loam, 1 to 12 percent <br />slop <br />Map Unit Settin <br />Major L nd Resource Area: 34 <br />Elevati•n: 6,300 to 7,400 feet (1,920 t <br />Mean .- nnual precipitation: 13 to 15 in <br />3 :1 millimeters) <br />Mea annual air temperature: 42 to 45 <br />.6 to 7.2 degrees C.) <br />Fre: ze -free period: 75 to 95 days <br />Map Unit Composition <br />ed and similar soils: 85 percent <br />inor components: 15 percent <br />2,256 meters) <br />es (330 to <br />grees F. <br />Soil Survey <br />Wee soils <br />Landfo : Alluvial fans, hills <br />Position •n landform: Toeslope <br />Parent m: terial: Alluvium derived from sands one <br />Slope: 1 to 12 percent <br />Drainage cl. s: Well drained <br />Slowest per -ability :: 0.6 to 2.0 in. /hr. ( m.derate) <br />Available wate capacity: About 7.8 inc -s (moderate) <br />Shrink -swell pot: ntial: About 1.5 perc nt (low) <br />Runoff class: Me • ium <br />Calcium carbonat- maximum: Abo 5 percent <br />Gypsum maximum: one <br />Salinity maximum: A out 2 mm •s /cm (nonsaline) <br />Sodium adsorption ra "o maxi 'um: About 0 <br />(nonsodic) <br />Ecological site: Deep Liam <br />Potential native vegetatia . Wyoming big sagebrush, <br />needleandthread, w tern wheatgrass, prairie <br />Junegrass, Indian r ce, rass, bottlebrush <br />squirreltail, com •n sn•wberry, muttongrass <br />Land capability sub. ass (n. irrigated): 4c <br />Typical Profile: <br />0 to 10 inches; sandy loam <br />10 to 28 in hes; sandy clay •am <br />28 to 41 • ches; sandy clay to : m <br />41 to 6 inches; sandy loam <br />Minor C <br />Berlak: and similar soils <br />Component Descriptions <br />mponents <br />mposition: About 5 percent <br />Iron springs and similar soils <br />Composition: About 5 percent <br />oils with sandy loam subsoil and similar soils <br />Composition: About 5 percent <br />210 — Willwood- Sheppard, cool complex, 1 <br />to 12 percent slopes <br />Map Unit Setting <br />Major Land Resource Area: 34 <br />Elevation: 5,300 to 6,000 feet (1,615 to 1,829 meters) <br />Mean annual precipitation: 7 to 10 inches (178 to <br />254 millimeters) <br />