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<br />• 4-78, AFA <br />:ti~: <br />`= w' 102--P1ts, Gravel <br />This unit consists of landscape that has bees altered through <br />gravel and nand excavations and leveling, Tha mat~riale expose6 on <br />thU cut f7cor are cobbL,y ~;rave7.c and sandy loans. Boma areas have a <br />surface baclcfill of loans and clay loans ranIIing from 4 to 12 inches <br />dup. Thy sideslopes of these areas ere steep to nearl,}r vertical and <br />ars easily eroded. The depth of cut varies from l0 to 40 fact or more. <br />The floors of. these horror arenq ere usually neer]y level to gently <br />eloping. Vegetation can be aucreasfully eetabliah~d and maintained by <br />backfilling with fins texture) soil:, to inrresaa fertility and <br />available xuter-5olding capacity. Thoa• materials ere usually neutral <br />to slightly alkaline. <br />Included in Napping ar^ 9reae of fill m~vteriala conalsting of un- <br />coil materials eni spoils fron pit and mining op~:rntion+. These materials <br />range frou~ sandy loans to clays nad vary widely in content of coarse <br />:ramants. Reaction is usually neutral to noderately alkaline, <br />A careful onsite investi,lation is needed to determine management <br />practices for any proposed use. Load shaping, beckfilling rith more <br />favorable top soil, incorporating crop residues in the surface end seed- <br />ing adapted plants era ee.santisl practices in prat.ecting areas nad <br />-~;y improving aesthetic values. <br />~ JjZ <br />,~ <br />