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~ III IIIIIIIIIIIII III
<br /> 999
<br />Etl46AdQ~lC]
<br />J March 1986
<br />_...---
<br />FROM' Sim Pendleton ~L= t-<^^~~
<br />RE• Mt. Gunnison I~ 1 Permit Renewal Application - Geotechnioal Aspects
<br />O:. .-.4 Y, - ~} T~-.~ - ~1 ~4.~J - -r.~l: -JC!^~~a~-FVV•}e,~e~--
<br />the permit renewal application submitted by West Elk Coal Company for the Mt.
<br />Gunnison No. t underground coal mine, Briefly summarized, I see no problems
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<br />applicatian, Mine plan, roads, surface facilities, waste piles, etc., appear
<br />to be in accordance with the ~=urrent revised application. I will only need to
<br />r._v~~~_~+o+e ~~_~o -gyp .-+S r-.F }F, r,~o e.+; ..F +F,o F; r.rli ri.~ cn+~__-__
<br />Several problems arise in considering the subsidence aspects of the permit
<br />roaew~L~pplic ~#ioa 7ho recto ,i - ^i ~ ~}~^^ ~~. k-.-!:~sT fow changes frsm --
<br />the or>.ginal document. The appl icat ion~reflects~the changes in mine plan and
<br />subsidence monitoring :accnmpl>.shed within the current revised permit, with one
<br />o .,+, n Yr,.-. -+~ .,+tiTL;es: r; i r. rte...--~----az.' i ~s?~.~°~ui-i-t h---the ------
<br />Di Vision ^r F_•ga rd in9 some ^prob lems 1inp1E?irient ing a port~i On ^f their approved
<br />subsidence monitoring program. This very recent ~=orrespondence should be
<br />-'~.~-.a...a t-Q__tbe .~.~:~.,.,,a .., c,~+;,~ ,mac-,~z,.... F,~: F ~ :i~~.--.--sue .-.F ~t H.., Y
<br />application. The correspondence consisted of a letter rrnm West F_14~. to Susan
<br />htowry, dated F~-•hruarv rl. 1~%86, .and a response from Susan t^ the operator,
<br />.. ~atr~tyarEkt '4. '9td.3 wi~-i=ce ,+Y _~~.,,. c,.~.., ..:._s~r°-totiusan r-.dated-- ~---
<br />February 25, 1986 !See Attached).
<br />---° ^••,.,;=Ts.~•.-1=~~c-F~w-ra--.a-~-T - •~~. - -.,F-F4i~ia-V-]:are-subs iciertc~---- --
<br />projecoons. Becsuse of recent^,; udictal decisions, ~.ue cuill need to e-Jmplet~ a
<br />rev>_szd Cumulative i-{ydrologic Impact Statement (CHIS) for "all anticipated
<br />-~ rniii-in9T~~k-+~s-+u-i-L-~-~n~l-~'t ^+-:- =r~r~-to--c>Fru>=w-~-thin-the--:l easss -
<br />held by West E14< Cowl. The L>.fe-of-mine Plan depicted on ExhLbit 3.~4.=4.6.1
<br />appears to depict all anticipated mining. for purposas of the required CHIS.
<br />The renewal appli~catinn proposes to control possi.hle s~.lbst.dence impacts to
<br />critical areas. ~_, ~_u=Ft -~•_ i:he Dr•! f--ork of M>,nnesota Creek an~.j Lick .]reek,
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<br />schematirally depicts ~~ huff:=r adj~>.n~ing the Dry Fork r_har~nel. ~~fhe operator
<br />requests approv.r;l to :;tract Up to SU': of the in-place coal. hene7th this
<br />-- hurfa,- -n.,,: T~._'~aIIli_:=~-I~~.n. ii.~~ prnc.~n+c-i ;+h;Ln~hc=-u r_ig..tnal-.~fzrma-t. -- -
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