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~~ .U~,~7 ~~~ l <br />J~ <br />IS~~II~iS, I11C. <br />O. I.+or. 631 <br />iii iiiiiiiiniuiii <br />999 <br />RECEIVEu <br />Colorado 81416 '~~~~[~}~ , <br />r,rn r v E_ <br />April 29, ]781MW1U LAND N S~+-,AnO~+'ro^~ <br />rc,~u ~.in U) N.IUkAI tr~AY~ SSG 1381 <br />RECEIVED <br />Ptr. Al~P:mundson VdESTERN SLOPE CARBON, I <br />!•est.ern Slope Carbon, Inc. <br />F. O. Box 1526 idi11~! 1 :: 1:1.;1 <br />Salt Lake City, Utah 84110 <br />)dRai l~ ~gIID k(U Ai~h IIUu ~ ~•a~ <br />Dear P1: coio uul. or i,.;wunr e. _.. ~. ~g .. <br />T_n response tv your letter dated 1~nri1 22, 1981 ~,~ ~.zll set up a Subsidence <br />!bnitoring Program. on a c~~-cerly psis beciJining with flay 1, 1981 and ~~ri11 <br />continue to monitor on or aro,urd the first day of each three month period <br />with a field chec}: of each station. A report of our `findings will be for- <br />karded to you within tee (10) days. During the winter months when snow <br />conditions prevent vehicle travel to the up~~r stations a check of the lower <br />stations trill tr_ r.~de and sna..+ machines will be used to trv and reach the <br />uo~er stations. F'e will note in each report the ~eawn for not showing <br />a particular station. - <br />'"he problem with points C and n North of State H.ic-}n.av 133 occurYed <br />when the man in charge of this project le Et our uiu~low~r_~nt. ;fiere eras <br />afield error in his t,orY. at the ti)re w,_: szrtTnittccl our ree,ort and thre- <br />fore, we. did not show tr,ese stations. <br />Last °all ~.fiile locating points for the new area ibrth of Hig}nray 133 <br />vie mare also over in the old 3--Fast area. I instructed the crews to shoot <br />in all old points that the~~ ti~re able to find rrnile in the area. No effort <br />vas made to clear brush or reltiibilitatz points not readily available at <br />that titre. Inter on in the year whirr ~r= wsre recn~ested to nonitAr the old <br />=rations an attcrlnt ~~.s Wade with 4v.4 vehicles to reach the points. A <br />boulder had slip:~~d across ih~ road oreventina_ access. ;:Tnen the boulder <br />i•.~s rernved wa again tried but nerd conditions I;ode it isrr~ossible to reach <br />the area. Ater this attenc7t I ,rat you U~ in`.or~ration then available <br />in homes it would suffice until Spring. <br />r•rith a regular program of rr~nitAring every three rmnihs are will have a <br />better chance of gathering thc data OS'7 and Ci>Z.n r-ecuire. In the next <br />re port I Drill ] fist what is p1~}'sically set at c-3ch str+tion. <br />I hope this ans.)=_rs any c_ucstions you may have at this tirrr:. <br />Sincerely ;ours, <br />E. SCr_r:nF L 7LSSCY'T11iTS, ITIC. <br />F.u;~est F.. Pchaaf, P-•sident <br />1?'~/J~,s <br />-- ..: <br />~. - -. _ <br />... <br />'r r'...' .. ~ ~ ~ .. <br />~~.'..... ~•.J .... .- .. 1.: .~. T_., rh L~.:',v`..._'.r; ~...l ~rJ~~~Y )i~rlni~!~W <br />r.. <br />.:lam _ri. ~.},r _ , <br />err'.. "'.('_.., .. .... ~. <br />