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1 <br /> ' The potential plant commulnity is mainly pinyon and iun , ,er 37! z�r <br /> understory of Scribner needlIf <br /> grass , Gambel oak , snowberry , and tr,. q <br /> mountainmahogany . The site ndex for pinyon-juniper is generally <br /> about 50. If the condition the understory deteriorates , red <br /> 1 threeawn , blue grama , pricklypear, oroom snakeweed , rabbitbruah , anc <br /> ' other (orbs and shrubs increase . The potential production of the <br /> native understory vegetation in normal years is about 400 pounds of <br /> ' air-dry vegetation per acre . <br /> Woodland products such as firewood , fence posts , pinyon nuts , an7 <br /> ' Christmas trees are produced on this unit . The use of tree spades f„r <br /> ' removal of transplants , s severely limited by the high content of rock <br /> fragments in the soil and shallow depths to bedrock . Only foot slopes <br /> ' and ridges generally are accelssible . Steepness of slope limits <br /> harvesting in the other areas. Thinning the overstory generally <br /> enhances reproduction and promotes the growth of grass and younger <br /> trees . To reduce the hazard of soil erosion , grasses should be seeded <br /> ' following thinning or harvesting of pinyon and juniper . Range seed : ^ g <br /> ' generally is limited to broadcasting because of steepness of slope and <br /> rock fragments in the soil surface layer . <br /> ' This unit is poorly suited to homesite development . The main <br /> limitations are steepness of slope and shallow depth to bedrock . <br /> ' This map unit is in capability subclass VIIe , nonirrigated . It <br /> ' in the Pinyon-Juniper woodland site . <br /> ' ,_127 / <br />