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<br />J~ <br />P. Q. ©ox E. P;yDrn7, COIOrNOD B142B ~ 303-527-4735 <br />July 9, 1982 <br /> <br />Ms. Sandy Emrich <br />Reclamation Specialist <br />Colorado 1~ined Land Reclamation Division <br />423 Centennial Building <br />13]3 Sherman Street <br />Denver, Colorado 80203 <br />Re: STIPULATION #5, SUBSIDENCE MONITORING REPORT FORMAT <br />Oear Sandy: <br />In response to Jim Pendleton's suggestions for additions to Colorado <br />l,'estmoreland Inc.'s' (CWI) proposed subsidence report format of May 14, <br />1982, CWI is adding the following items. <br />1. CWI will prepare cross-sections along the monument section lines <br />above the 8E5N Panel. <br />2. A map of the workings within the potential angle of draw and <br />adjacent mine areas will also be included. This map will also <br />indicate the locations of the subsidence monuments and any <br />surface evidence of subsidence observed during inspections. <br />3. Two additional information columns have been added to the moni- <br />toring station data sheet (attached) to include the horizontal <br />change in the northerly and easterly coordinates, <br />4. Any inflow of .water into the mine workings wi 11 be m=asured and <br />recorded pursuant to Stipulation n21 attached to C-038-81. <br />A semi-annual report of the subsidence monitoring data will be com- <br />piled and correlated for submission to the Division. This report shall <br />include all information set forth in this letter and the t+~ay 14, 1982, <br />letter. Please contact me or Jim Roberts, CWI Geologist, if you should <br />have any questions. <br />Sincerely, <br /> <br />,~ <br />`J <br />--• a <br />_- .avp <br />APPROVAL: ~ ~y ~.~~~- <br />Rona d- k. ~tucki <br />General I1an~aer <br />Attachment <br />cc: Christopher Y., Seglem <br />Vice President - General Counsel <br />Janes Pendleton <br />Colorado 1•;ined 1. and <br />Floyd J~,hnson <br />I:athleen A. Gordon <br />Cnvironmental Specialist <br />Reclcr,ation Division <br />Office of Surface Inning <br />