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SE?!T BY: ENERGY FUELS NUCLEAR : 4-30-93 3:46PM : 7197844352 energy fuels mining company 303 832 8106:# 1 III IIIIIIIIIIIIIIII one taoa miner • sure zsoo t 200 aerenManth etrsN • tlrnver, cobrteo e0204 April 30, 1993 Mr. Joseph J. Dudash Ofiee of Mino Land Roolemadon 1313 Sherman 9t. Room 215 Denver, CO 80203 lid Poor "Y Notice of Violation No. C-93~5 Plea to Stabilize FLghwall at Raton Credt No. 1 Miae Portal Arse, Abatement of Violation Your Fits No. G82-055 Dear Mr. 1Ttdaeh: 1303)823-8317 nv~ 910.931.2661 ~~ " 7671 uensm,ttal mgt With thiC letter Energy Fuels Inning Company ("Boergy Fuels') la submitting proposed plate and schedule to stabitit:e the highwall failuro cited in alleged NOV C-93-45 dated April 12, 1993, for consideration by the OfSce of Miood Land Reohutuulon ('OMLR'). The referenced highwall feiluro, or rocltfrll, comprises a 70 fed long aeedon of Candatorte formation overlying the upper Starkville seam located above the two southern portals of the Raton Creek No. 1 Mine. The failed sandstone is approximately 17 feet above around level entrance to the No. 1 Mine and is approximately 12 to 14 fat in thickness. A section of the sandstone, ranging from 12 feet wide (east end) to 0 .fcet wide (wear end) had previously slabbed off along ib joint strocmrc and fallen into the pone] area. A S foes thick Crction of sandstone behlod the fallen area hat since Clumped for a distance of approximately 40 feet along the previously described rock joint system. This aeetion of sandstone is slowly crushing and breaking and poteetially will slough Into the portal area with the previous fallen mnterisl. No additional failuro is evident above and behind the slumped sealoo of sandstone. 13nergy Furls believm that stabitiraiton of the subject highwall area wiil be eeaompiiched by completion of the currently approved ralsmation plea for the Raton Croak No. 1 portal area (F~st portal area). Specifically, the trukfilling and grading of the portal Brea will rover up to and ^upport the existing section of highwall which le fa[Iing and extend beyond both coda of the highwall which are currently sable. The 511 depth will reach approximrWy 30 feet agalnCt the highwall. The brekfill and grading plan for the portal aroe is fully described on page 493 through 498 of the approved permit. In addition, port mining topography of the subject portal area le ahotvn on Map 17 sad Map 17b to the permit application. Energy Fuels has reeemly been worfring on a raclrmrrion timetable for the Raton Creek Mlnaslte and has targeted the No. 1 Mine portal area as part of our "Phass I' reclamation schedule. A rough drag of a bid request psckage for Phase I rnolrmstion V complete. Energy Fuels will complete and mail the bid requests to biddeta on or beforo May 14, 199] and commence teolrmation u soon as Tune 7, 1993 based on contractor availihility. Since the primary focus of Phase I rtxlemadon concerns backfilling the No, 1 Mine portal area, rapid etabilisatloa of the (riling highwall will be made s high priority paR of the roclamstion project.