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.- ' - <br />The Teaspoon soil ~s shalldw and well dra~nad. It formed ~~ <br />residuum derived dominantly from granite, gneiss, and gneissic <br />rt~etasad~mentary rock. Slope ~s '20 to SO percent. Typ,calty, the <br />surface layer is dark gray~sn brown very gravelly sandy loam about .S <br />inches thick. The subsoil ~s extremely gravelly sandy clay loam about <br />EI inches thick. Hard, fractured metasedimantary rock ~s at a depth of <br />11 inches. The soil is neutral. The texture of the surface layer in <br />some areas is very cobbly sandy loam or very gravelly loam. <br />Permeability of the Teaspoon soil is moderate. Available water <br />capacity is very low. Effective rooting depth is 8 to 20 inches. <br />Runoff is rapid to very rapid, anal the hazard of water erosion is high <br />to very high. <br />This unit is used for noncommercial woodland, wildlife habitat, <br />and livestock grazing. Livestock grazing is limited by steepness of <br />slope mainly to foot slopes and drainageways. <br />C The potential plant community is mainly pinyon and Juniper and an <br />understory of Scribner naedlegrass, blue grama, and true <br />mountainmahogany. The potential production of the native understory <br />vegetation in normal years is about 200 pounds of air-dry vegetation <br />per acre. Understory vegetation is generally very sparse on slopes <br />that are north-facing. If the condition of the understory <br />deteriorates, blue grama, red threeawn, and fortis and shrubs increas?. <br />/C' J <br />