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<br />4/H3 <br />St--Stoneham loam, 0 to 3 percent slopes. This deep, yell drained <br />soil is on nearly level uplands. It formed in mixed materials on ridgetops <br />and benches. The native vegetation is mainly grass. The average annual <br />precipitation is about 13 to 15 inches. <br />Typically, the surface layer is yellowish brown to <br />thick. The upper subsoil is yellowish brown clay loam <br />The lower 2 inches is very pole hrv~wn ralrn ri•n ns hrnvy <br />inches of [he substratum is very pale brown calcareous <br />3m about 3 inches <br />about 4 inches thick. <br />Innm. 'I'hr upper 37 <br />loam. The lower part <br />to a depth of 60 inches or more is pink calcareous sandy clay loam. <br />Included in this unit are small areas of Wiley silt loam, For[ Collins <br />loam, and Satan[a loam. <br />Permeability of the Stoneham soil is moderate. Available water capacity <br />is high. F..ffective ron[inR depth is 60 inches or more. Runoff is slow, and <br />the hazard of eater erosion is slight. The har.ani of soil hlnwing is <br />moderate. <br />'this unit is used mainly as native range, but some is cropped. It is <br />best suited to native range but can be cropped successfully if surface cover <br />is maintained. <br />The potential plant community nn the Stnnehnm soil Is mnlnly hlue F!ramn, <br />western wheatgrass, and needlegrass. The average annual production of <br />air-dry vegetation ranges from 750 to 1,300 pounds. <br />