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Sufte 200, )40 So. Cobrado BWd. <br />P. 0. Boc 17583, Termlrui Mnaa <br />• Denver, Cobrado 80217 <br />Telephone 303753-8600 <br />.fi_ Northern <br />'~ ~~..:: Goad. <br />` Company <br />~E'~EIVE® <br />O C T 0 7 1902 <br />MINED LAND RECLAMAT(DN <br />Colo. Dept. of Natural Resource <br />• <br />February 9, 1981 <br />Mr. Dan Mathews <br />Reclamation Specialist <br />Colorado Mined Lsnd Reclamation <br />723 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />RE: Curtis Creek Crossing - CMLR File Number 78-345 <br />Dear Mr. Mathews: <br />In response [o the stipulation contained in your written approval to <br />mine underneath Curtis Creek dated January 27, 1981, please find en- <br />closed a map locating the additional subsidence monitoring points. <br />ide are still more than two weeks away from mining beneath the creek <br />and the full monitoring program has been initiated. <br />Northern Coal Company is continuing to pursue a surface owners agree- <br />ment to gain access to monitor the ground water wells, We appreciate <br />your concern for the long-term adequacy of data obtained from the <br />static ground water levels necessary to make a determination of <br />probable hydrologic consequences. k+e have been cognizant of this <br />problem for quite some time. When agreement with the surface owner <br />is obtained, we will initiate ground water monitoring on the Curtis <br />Creek alluvial wells immediately. <br />Sincerely, <br />NORTHERN COAL COMPA23Y <br />Terry W, Schulz <br />Senior Environmental Coordinator <br />TWS:rg <br />cc: J. McPhee <br />Encl. <br />• <br />