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Lhrough March 15. <br />A 1/8 mile buffer zone (660 ft) will be protected on either side of riparian. <br />zones (or a buffer zone may be established in acccrdance with [=e surface <br />• management agency guidelines). No satiate disturbances, except surface <br />subsidence, will be permitted wit`.:in these buffer zones, unless no <br />practical alternatives ex=st. A11 u.^.avoidable surface disturbance wi1'_ <br />require approval of the BLP3's cr USFS's Authorized Of'_icar. '."ne 9L.K or USFS <br />will coordinate with the Fish and 'ilildiife service and CDOW to determine the <br />type and extent of a aowable variances. A site specific ana'_yses will <br />determine if this stipulation will apply. <br />If areas are determined by CDO'd co be :rule deer and elk crucia_ winter <br />range, coal related facilities and su^ ace disturbances extent subsidence <br />wi'_1 be a•uhcrized .. the review area only - no practical alternatives <br />exist. T`:e BLh1 and USES will coordinate with the CDOW to determine the type <br />and extent of allowable variances. Coal exnioration, facility construction, <br />and major scheduled maintenance will not be authorized within crucial winter <br />ranges =tom December '_ to Apri'_ 30. Ail unavoidable surface disturbances <br />within these ranges during these times will require approva'_ of the <br />Authorized Officer. <br />?, potential Alluvia: Valley F'_oor er. the proposed lease tract is the <br />Quaternary Alluv:u.-, assoctaced with c e Vorch Fork of t::e Gunnison. River. <br />'.'his area has already beer, found to be cnsu=cable for coal extraction under <br />Cr.teria Number 15 - "Federal :.ands '_: Special Flcodplains". 3owever, a <br />c_ncern remaias~chat mining associated activities on ocher parts of the <br />procesed lease could mater ally da.~,age ~ a gt:antity andlor qua'_ity of water <br />that supplies this AL', due tc the pctential hydraulic connection between <br />t`:e AVF and Mesaverde For:rat_on. Gue to insufficient data, a determination <br />car. not Se made anti': inn o.an for the area has been submitted. AC that <br />time, .::^.e Regulatc_y C`_fTcia: wi1_ make a finding concerning possible <br />macersai damage to t..~ a:'_uv_a_ valley flocs. .' a _esult of the finding, <br />some restrictions to the ...cacn- ocerst_ons may be necessary. <br />• Toe ==--ow.ng mit_gation measures ar=_ the resu'_t of the _°nviror•nental ?.ssessment <br />3ecause ::e presence of rand :^esa ?e.^.ste:no r. has been documented ir. <br />_p..-dance at eievatcons move %0~0 fen'. _ar.t survey and project evaluati <br />and aparoval wi1_ be required prior tc any sur_'ace disturbance except <br />subsidence. <br />^o rot=_ct and preserve .,reedsnc and rest_ng habitat for the Lcggerhead <br />shrike and oc:^.er zeotrtpecal - -ds, - -bazces in sagebrush, Gambel oak <br />stands, and _ipar_ar. areas w.:: be __mited to the extent practical. <br />o r, <br />^_he _essee, before issuance cf the ..._ne permit, wil'_ corducc and provide to <br />=.4 an inventory of a a ex_sccnc state adjudicated water rights in and <br />adjacent to he lease -tact wh_c: may be _spacted by subsec.:ent mining <br />activities. ~At a minimum, t.".is i.^.venccry will include: the water right <br />holder, '_ocatior., source. Lmount c'_ decree, beneficial use, historical flow, <br />and c::e aoprcpriatio.. and ad;cd_caticn daces. <br />The '_essee sha'_1 replace '_^ a ..-ar.ner ccnsistent with state law the water <br />supciy of nay owner __ _ vested water right which is DrnXlmdC2ly _.]L`red as <br />a _es~~'_t cf c.-.e m.^_- act-•r_t_as. <br />Other mitigation measures cr. Vac:cna_ :__est System Lands wi'_i consist of <br />app'_ic____ st_cuiacions sec f__t.. _r. Appendix ". T_n addition ro the following <br />Cord'_tions o_° Aocrova'_ (CCA1, 'there wi:: be additiona'_ COA's, which ar=_ within the <br />scope of these st:puiat:crs, t`at w... be deveioced at the time surface activity <br />is propcsed. <br /> round distnrbirg actsvcties sha'_'_ be eva'_uated pn a sits specs`ic basis co <br /> redcce effects oa ncrtr.ern Goshawk, t_ar...u:aced owl, :ewes' wocdpecker and <br />• __ece r:-and s:: r_ke rest-:c and fcrag_ng h.._itat. These actcvic_as will be <br />