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• The Lymanson soft cries belongs [o the subgroup Argic Cryoborolls. <br />Li[hic Cdr oborol[s <br />These soils have a shallow lithic contact. Becauu hardrock is present at a shallow depth, they are <br />permitted but aze not required to have a alcic horizon, a mollic epipedon that is between 40 and <br />50 cm thick, or a pergelic temperature regime. There may be a Iambic horizon or a a horizon <br />between the epipedon and the rock, or the epipedon may extend to the rock. Slopes of then soils in <br />the Utti[ed Slates aze mos[ly strong or very strong, and the soils are cud mainly for summer grazing <br />(1). <br />The Splitrosoil cries belongs to the subgroup Lithic Cryoboroll. <br />Pachic Cryoborolls <br />Theca soils have a thick mollic epipedon. They are permitted but are not required to have mottles <br />and seasonal ground water at some depth, but then properties aze raze. Most of then soils in the <br />United States have moderate to very strong slopes. Their preunt vegetation may be either coniferous <br />forests or grasses. Their main uu is for rummer grazing (1). <br />The Winevada soils series belongs [o the subgroup Pachic Cryoborolls. <br />Entisols <br />• Within the mine permit area, there is only one soil that is not a mollisol. That is the Starman cries <br />which is classified as an entisol. The central chazacteristic of Entisols is that [hey have little or no <br />evidence of development of pedogenic horizons. Many Entisols have an ochric epipedon and a few <br />have an anthropic epipedon. <br />En[isols may have any moisture or [empenture regime, parent material, vegetation, onge, but no[ a <br />combination of a pergelic temperature regime and an aquic or pazaquic moisrure regime (?????). The <br />(aquic) (??????) only features common to all soils of the order aze the virtual absence of horizons and <br />[he mineral nature of the soil. <br />ent <br />Theca entisols are the Orthents of high mountains or high latitudes. The coldest of them have a pergelic <br />soil tempenttue regime. Most of them aze on slopes where rock is shallow or in recent solifluction <br />deposits. These cold, dry soils have a thin efflorescence of salt on the rurface during summer and may <br />be dry in all horizons. <br />The Cryorthents were mostly considered Lithosols and Regosols in the 1938 classifiation as modified <br />in 1949. Most of them in the United States still have their mtive vegetation (1). <br />• <br />58 <br />