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°F ` STATE, OF COLORADO <br /> �e o <br /> Roy Romer, Governor <br /> 1876 <br /> DEPARTMENT OF NATURAL RESOURCES <br /> MINED LAND RECLAMATION DIVISION <br /> FRED R. BANTA, Director (\ <br /> May 11 , 1989 <br /> Ms. Caryl Helmin <br /> National King Coal , Inc. <br /> 1015 1/2 Main Avenue <br /> Post Office Box 2905 <br /> Durango, Colorado 81302 <br /> RE: King Coal Mine (PR-01 ) <br /> File: C-81-035 <br /> Dear Ms. Helmin: <br /> I have reviewed the recently submitted materials regarding the lease <br /> modification permit revision. Some clarification and modification of the <br /> subsidence text will be necessary, as specified below. <br /> 1 . The revised subsidence text, page 18, indicates that no structures or <br /> renewable resource lands are present on the permit area or the proposed <br /> lease modification area. This is not entirely correct, since the <br /> Huntington Ditch overlies portions of the underground workings and is <br /> identified as a "structure" in the Division 's July, 1987 Findings of <br /> Compliance. In addition, the Findings document identifies the Pine Gulch <br /> Drainage in the southeastern portion of the permit area as a potential <br /> renewable resource area. King Coal has committed to a monitoring program <br /> to detect any damage to the irrigation ditch, and no further extraction <br /> is proposed beneath the Pine Gulch Drainage . The subsidence text should <br /> be clarified to accurately reflect the presence of the identified <br /> structure (Huntington Ditch ) and potential renewable resource land (Pine <br /> Gulch Drainage). <br /> 2. The discussion of the subsidence monitoring program on Page 18 should <br /> specify that the program includes a semi-annual field survey of <br /> established monuments, and quarterly visual inspection which includes <br /> inspection of the Huntington Ditch. <br /> Please contact me if you have any questions. <br /> Sincere , <br /> T- 4�� <br /> � <br /> Dan T. Mathews <br /> Reclamation Specialist <br /> DTM/scg <br /> 6083E <br /> 215 Centennial Building, 1313 Sherman Street Denver, Colorado 80203-2273 Tel. (303) 866-3567 <br />