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52.05 APPLICATION FOR PERMIT FOR SURFACE OR IINDERGROUND MINING ACTIVITIES -- <br />MINIMUM REQUIREMENTS FOR OPERATION AND RECLAMATION PLANS. <br />2.05.6 Mitigation of Surface Coal Mining Operation Impacts. (Cont'd,) <br />(6) (b) (i) (B) (Cont'd.) <br />control measures of limited and partial <br />extraction beneath Steven's Gulch and <br />East Roatcap Creek will prevent surfi- <br />cial subsidence in these areas of Re- <br />newable Resource Lands, during subse- <br />quent permit terms. <br />The predicted subsidence effects else- <br />where will be gentle, topographic read- <br />justments, consisting of an overall <br /> \ lowering of the ground surface up to <br />possibly 6 ft. This readjustment will <br /> \__,~W not affect the historic use of the <br /> ~ <br />~l',~,~_/J~ area. Economic and technologically <br />M1,,,~ <br />`1I <br />I~IIv ~~v feasible procedures are available to <br />Promptly restore any subsidence related <br />~ ~ <br />~ damage such that no material subsidence <br /> ~ <br />`0~- damage or diminution of the reasonably <br /> ~ <br />I <br />Rf("~ foreseeable use of structures located <br />• ~ <br />N <br />~( within the permit area as defined by <br /> ~ CMLRD is anticipated. Refer to the <br /> Subsidence Repair Handbook in Volume <br /> 3. <br />Additional phenomena is described in a <br />subsidence study performed by Geo-Hydro <br />Consulting, qualified professionals in <br />the field, and is found in the Subsi- <br />dence Appendix, Volume 3. In this <br />study, state of the art subsidence pre- <br />diction technology and methodology are <br />applied to the site specific conditions <br />at the Orchard Valley Mine. <br />(C) Significant dewatering of the surficial <br />aquifers present within the Renewable <br />Resource Lands could result in material <br />damage or diminution of the foreseeable <br />use of these areas. Material damage to <br />[he structures identified in Section <br />2,05.6(6)(a)(ii)(A) would not occur <br />where protected by buffer zones, but if <br />damage occurred, economically and <br />Added 12/26/84 <br />Revised 12/26/84 <br />Revised 10/01/87 <br />143 <br />