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<br />J..L aI,C~ J n__ 1: ...._~. It ~'J0.i'I n] ~ _ 'l ir'Y l'~~_ ~ ~ . ~_~i , <br />~a 7r .'~n J ~. ~ 1. '.'. ri'rri ~] ~~I' l.n _ _I :ne ~' i~ ~.. <br />iC 1; apOrOpridte thd' ~•ve inlt~dte d rCUClne ;dmpling pr^g~'i111 "_ In~:_`'_ "r r.. <br />mining prCCeedS abGVB Che 2 fCOt minimum Co`/er thl G<ne;; ipe'~iriaj +n *rc <br />permit. Although the pit floor is proposed to be a mere-or-less pl'anar' <br />surface, it is reasonable to assume that the contact between the wlancos shale <br />and the overlying gravel alluvium is not a planar surface. it i; also likely <br />that at least part of the mining excavation ,vill routinely ream some distance <br />closer than 2 feet above the contact. Therefore, unless Parkerson provides <br />compelling arguments to the contrary, the Division will require the frllew~nq <br />as a stipulation to the Fermit for both the 31 and 32 Road Pits: <br />a. As mining excavation proceeds, a backhce trench, auger hole, or other <br />such small sampling excavation shall be dug near the centar of each acre <br />of excavation, and the thickness of undisturbed gravel in that small <br />excavation shall be recorded. <br />b. Data from item a, above, shall be reported to the Division annually, <br />along with the annual report. The form of the report shall consist cf a <br />map showing the location of the samoline excavation relative to the <br />permit bo!indaries and mining excavation boundaries. <br />c. Provided the pit flcor excavation reaches some distance above the ~lancos <br />closer than specified in the permit, the operator shall baC<fill the <br />affected area with pit run material. <br />d. Provided, as a result of excavations as described abase, the post-mining <br />surface of the gravel layer abase the r±ancos Shale is irregular, the <br />operatcr ;hall backfill either .with pit run material, natural fines, or <br />other suitable material to create a sub-flcer for the topsoil that <br />con;orm; .with the drainage play. as shc~.vn in the Reclamation Plan. Under <br />no cena;_ion small the operation manufacture or onnervise form any <br />earthen struc`ure that impedes drainage or affects the pest-mining land <br />use. <br />The Division is norking on scheduling a pre-hearing conference date. You will <br />be notified as soon as a date is set. I trust you will be able to address the <br />OUtS tand'ng I;;U2S d; ;CCn 35 pO;;iji?. if yCU hdve aUe;Cl Oni or need <br />assistance. please ccntact me. <br />Sincerely, <br />vHarrv H. Posey <br />Reclamation Specialist <br />HHP/ern <br />cc: Allen Sorenson <br />9941E <br />