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<br />(ylorado Wes[a:orzl.;n.i, Inr. --- <br />10. The appllcation contains wh.lc could become a misle;IdSng sentence on pnp,e <br />13: "in contrast, most streams in the Western llnlced Stales coal areas <br />are ephemeral and would nut qualify (as alluvial vallcy~floors)." Somz <br />streams that are ephemeral may bu alluvial valley (]Dors. <br />11. Pursuant to Sec[iun 783.13 and Section 771.23(b), provide references for <br />the general descriptions of Che envtronmcnt and please ensure [hat Che <br />regional dtscussious are related, In the text, to [he proposal such that <br />the discuss tuns are relevant. Indicate where those references cl[ud are <br />listed and where [hey arc available. <br />12. Pursuant to Section 783.1-'., maps of the regional and stir geology and <br />structure are required. A1L information on faults, jointing patterns, as <br />~uc17. as local dip and strikes and regional systems should he presented in <br />une series of maps. CWI must provJdc more information nn the nature and <br />source of material srheduled LD be place in I:he "Waltz Disposal Area" <br />(flap 13 and text) before the rcy;ulatory authnrlCy r_an assess the request <br />in waive chomicnl and physical aunlyses. it 1; suy;gestr_d Chat [1JI <br />proceed to obtain a represcntatlve chemical and physical analysis of roof <br />materLtl• The Cupol;r,+phic mop (I1ap 13 Is [hc only map providing useful <br />deplctiou of topography) does not show any sl.of~.: measurormcnts (sce'also <br />Section 79.5.25). 'Che rcvls~~d acrsLnn of. ra [opoylrapltic map should also <br />dlstin{;utsh betwltr'n dlsLurl,od and nndfsturbed nruas. <br />IC is OS"!'s undrn. U+n<I iny; th.lt nlrcnt ion of nor fn•tt of In}. cull is unt <br />necess.u'l ly a y;ooJ prnr[Irr for t11!r. mine (sro p.l ):': 'S? of pl:rl). Plr. r•r <br />clarify present and lutun• Inlniny pracCice-; in this rcy;,rrd and address <br />potential Lo cocoon t.~r w.lstc ru~_I: •andcr the pn, posed pr:+ctlccs. <br />13. Pursuant to SortlDn 7P,3.15, [he appllcation must bu revised [o include <br />tP,u data from which th~~ ground w:+ter'systun !s evaluatl•d as existing only <br />In Stevens Gulch. It is scp;y;escrd that chc speclElc ltmms of Sr_r.[ion <br />783.15 he addressed for thr_ proposed mine plan and adjacent areas. A <br />complete submission should contain a detailed map of springs, seel~,s, <br />wells, drill holes, and other prr[Incnt drr:r.rlpturs of [hc hydrologic <br />system. Document the watr_rs and hyrlrugcnLogl:: situations encountered (if <br />any) during minSng and drilling (other than Stevens Gulch which le <br />presented). The duscr[ptCDns, cross-scc[lDns, and maps should likely go <br />[o the Rollins Sandstone hicmhee. Appropriate poten[Sometric maps and <br />regional relatLonsllips hutwecn recharge and dLscharge vhould he discussed <br />and portrayed. The obscrv;tlluns rclati m, to y;rnund water discharges to <br />the Murth Pnrk Rlvcr rt_•purtrd !n Appendix 1! should be lnrludud. <br />1S. Pursn.tnt to Arr[fnn 793.1,, pro:fdr• a cu:~pusLtc surfarc va[er hydrology <br />•.~apshowing streams, Irrlgatlon Ji[thes, lakes, ponds, sprLngs, and seeps <br />to stream rlassi(Icnttons (water quality) Fur the mine plan and adjacent <br />areas. I'ruetde, with tho fret .+nd daps a surnn.+ry of Appc nJ is II. <br />T nd lral,• I+a.1 t'.•l,y;lr c+,m(t.n'(nr, sl.tt t,ms, lv;a•, t': .{uru.:c ,t[ >.uupl in.;, ;ind <br /> <br />