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- .� - - - 2.04.9 <br /> Page 22 of 46 <br /> The Rombo soil is moderately deep and well drained. It formed in <br /> colluvium and residuum derived dominantly from shale and siltatone. <br /> jTypically the surface layer is channery clay loam. The subsoil to a depth <br /> of 38 inches is channery clay loam. Weathered slate, siltatone, and coal <br /> is at a depth of 38 inches. The soil is slightly acid. Depth to bedrock <br /> ranges from 20 to 40 inches. <br /> Permeability of :the RO111b0 soil is moderately slow. Available water <br /> LapaciLy is moderate. Effective rooting depth is 20 to 40 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 /> residua, derived dominantly from sandstone. Typically the soil is channery <br /> loam over sandstone bedrock at a depth of 13 inches . T1ae soil is moderately <br /> .alkaline and calcareous . Depth to sandstone is 10 to 20 inches . <br /> Permeability of the Travessilla soil is moderately rapid. Available <br /> cr c•.rpac_ity very low. Gffec•tive ronting depth is 10 to 20 inches . <br /> Runoff is very rapid and the hazard of w,,Ler rosion is vel-y hi"s;ia <br /> This coat is used for livestock gr,"Ang and woodland. <br /> The potential plant community on the imuvi"ers and Travessilla soils <br /> . ainly i and <br /> d juniper with an updurstary o. .ace;,,, <br /> ."_ " aats gr.:mn, mutton grass and lKL1 L' h': U(�•, ^C Lnn :l <br /> Hon of air-dry vwgOtaLlon is 100 c 1 !i::- per l '� <br /> ,:,. P �ru. -� � ' 2 , paitl.on <br /> LAc Unit C'Ll __�rOLCS , pinyon, junipu , Gambol oak, and fringed sagebrush <br /> increase. StaePness of slope limits access by livestock and promotes over- <br /> grazing of the less sloping areas . Trails or walkways can be constructed <br /> in places to encourage livestock grazing in areas where access is limited. <br />