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• # 112 Tecolote very gravelly sandy loam. This deep, well drained soil <br />found on fan terrace edges along drainageways was formed in alluvium. The <br />surface layer is dark grayish, brown very gravelly sandy loam about 3 <br />inches thick. The subsurface layer is pale brown, very gravelly coarse <br />sandy loam about 6 inches thick. The upper 32 inches of the subsoil is <br />extremely gravelly sandy clay loam. The lower 19 inches is extremely <br />gravelly coarse sandy loam. The soil is neutral. Slope is 15 to 40 <br />percent. Permeability is moderate. Available water capacity is low. <br />Runoff is rapid to very rapid and the danger of erosion is high to very <br />high. The potential plant community is mainly ponderosa pine with an <br />understory of Gambel oak and grasses. This unit is used for livestock <br />grazing and wildlife habitat. <br /># 116 Blanca very boulderv loam. This deep, well drained soil of valley <br />terraces and mountain benches was formed in loess and glacial till derived <br />from mixed sources. Typically, the upper 13 inches of the surface layer <br />• is very dark brown, very bouldery loam. The lower 4 inches is very cobbly <br />loam. The subsurface layer is pale brown, extremely stony sandy loam <br />about 5 inches thick. The upper 20 inches of the substratum is pale <br />brown, extremely stony sandy loam. The lower part to a depth of 60 <br />inches is extremely stony loamy sand. Slope is 10 to 30 percent. <br />Permeability is moderate to a depth of 25 inches and rapid below this <br />depth. Available water capacity is low. Runoff is slow and erosion <br />hazard is slight. The potential vegetation type is aspen with an <br />understory of shrubs, grasses and fortis. The primary land use is wildlife <br />habitat. <br /># 118 Travessilla - Rock Outcrop complex. This unit which is about 55 <br />percent Travessilla soil and 30 percent Rock outcrop, is found on canyon <br />sides, hogbacks and cuestas. The Travessilla soil is shallow, well <br />drained, and formed from residuum derived mainly from sandstone. Slope <br />is 5 to 50 percent. The surface layer is light brownish gray, channery <br />sandy loam about 4 inches thick. The substratum is sandy loam about 5 <br />• inches thick over sandstone at a depth of 9 inches. The soil is mildly <br />alkaline to a depth of 4 inches and moderately alkaline below that depth. <br />Permeability is moderately rapid. Available water capacity is very low. <br />Runoff is rapid and the hazard of erosion is high to very high. The rock <br />2.04.9-12 <br />