Laserfiche WebLink
iiiiiiiiiiuiiuiii <br />999 <br />NORTHWEST PIPELINE CORPORATION <br />PO BOx i45 <br />SnU lnxE Urv U~A4 B~~ ~0 i45 <br />B01 SdJ edN <br />December 29,~~£EIVED <br />JriN 31::~a <br />Dan Mathews <br />dined Land Reclamation Division <br />d23 Centennial Building <br />1313 Sherman Street <br />Dem~er, CO 80203 <br />Dear Mr. Mathews: <br />MINED IANC RECLAMA7IOhJ DIVISION <br />Culo. Dept of Natural Resources <br />As per the requirements for Hawk's Nest Mine permit stipulation no. <br />21 as listed in your letter of September 8, 1983, find attached three <br />copies of the following: <br />1. Updated subsidence control monitoring survey as of <br />October 2~, 1983. <br />2. Exhibit 2.05.6-D, titled "Subsidence Control B", with all <br />workings updated as of temporary cessation of operations <br />and with the location of gun station LJMJJ2 indicated. <br />3. Cross sections projected through subsidence monument sets <br />A through G, H through J, and K through N. <br />4. A description of the survey which is titled "Subsidence <br />monitoring Program and Quality Control." <br />If you have any questions regarding these items, please contact me. <br />Sincerely, <br />ps <br />NORTHIJEST PIPELINE CORPORATION <br />Kenneth E. Buell <br />Environmental Affairs <br />A SUB SIOIARY OF NORTHWEST ENERGY COMPANY <br />]95 frn vE~a war SoU ,naF firv ~~te d~i0d <br />