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C~ <br />b. TOPSOIL HANDLING <br />The topsoil resources on the affected areas are adequate to ensurz successful <br />reclamation. The greatest depths of topsoil occur in the waste disposal area <br />w ~ e largest disturbances occur. Although 5 to b feet is available from <br />most deep soil units, these areas could be stri ed shallower sine the remainder <br />-~- <br />of the material will be used for subsoil and will ba available For the lower <br />portion of the root none. The best topsoil material is usually confined to the <br />uppermost foot in arid environments. Greater removal depths era generally <br />recomm?nd?d to produce znough volume to cover shallow disturbed sites with no <br />available topsoil. '.taste disposal areas are the only type of disturbance whet= <br />less than the maximum depth can be stripped without altering reclamation success. <br />• <br />c. SUBSOIL SUITABILITY AND HANDLING <br />waste areas 1 through 6, which are proposed for earliest disturbance, have <br />suitable material for use as a non-toxic cap or subsoil layer over the spoil?d <br />waste, Although occasional strata have values for SAR, EC and clay percent whicn <br />border on unsuitable, mixing during removal, storage and replac?ment will somewhat <br />improve marginally suitabl_ materials. No attempt should be ;Wade to diff?rentially <br />strip strata since mixing is desirable. <br />• <br />II.I-29 <br />