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Permeability of the Louviers soil is slow. Available water <br />`~ capacity is very low. Effective rooting depth is 10 to 20 inches. <br />Runoff is very rapid, and the hazard of water erosion is very high. <br />The Travessilla soil is shallow and well drained. It formed in <br />le <br />residuum derived dominantly from sandstone. Slope is 20 to 50 <br />percent. Typically, the surface layer is light brown channery loam <br />about 4 inches thick. The substratum is channery loam about 10 inches <br />s thick over sandstone at a depth of 14 inches. The soil is moderately <br />a alkaline. <br />Permeability of the Travessilla soil is moderate. Available water <br />• capacity is very low. Effective rooting depth is 4 to 20 inches. <br />.~ ~. <br />' Runoff is rapid, and the hazard of water erosion is very high. <br />This unit is used for noncommercial woodland, livestock grazing, <br />c <br />and wildlife habitat. Slope limits access by livestock to steeper <br />Y• areas and results in overgrazing of the less sloping areas. <br />The potential plant community is mainly pinyon and.JUniper and an <br />•q understory of Scribner needlegrass, western wheatgrass, blue grama, <br />~ sideoats grama, Gambel oak, and mountainmahogany. The potential <br />production of the native understory vegetation in normal years is <br />~1 <br />about 300 pounds of air-dry vegetation per acre. If the condition of <br />the understory deteriorates, red threeawn, blue grama, pricklypear, <br />B <br />and other fortis and shrubs increase. <br />e Woodland products such as firewood, fenceposts, and pinyon nuts <br />c are produced on this unit. Only foot slopes and ridges generally are <br />°a accessible. Steepness of slope limits harvesting in the other areas. <br />The use of tree spades for removal of transplants is severely limited. <br />• <br />~;e <br />