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~- c~~us <br />~ Yampa Valley <br />iii iiiiiiiiiiiiiiii <br />Cyprus Yampa Valley Coal Corporation <br />29587 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />303-879-3800 <br />February 1, 1991 <br />David Berry, Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Dear Mr. Berry: <br />REG~~~E® <br />F Eg ~ 8 1991 <br />Mined Land <br />Reclamation Division <br />Re: Minor Revision 91-53: Sandstone Substation Small Area Exemption: Foidel <br />Creek Mine. Permit C-82-056 <br />Per our discussion of 29 January, TCC is submitting the enclosed Minor Revision. As <br />discussed, TCC wishes to designate the Sandstone Substation (Shown on Map 39) as a small area <br />• exemption. The area (less than 1 acre in size) would utilize a perimeter berm/temporary ditch <br />and rock filter system as alternative sediment control measures. Upon approval, TCC will <br />install the system as soon as ground conditions permit (currently there is approximately 2 feet <br />of snowcover on hard frozen soil). <br />In the event you have questions or concerns, please do not hesitate to contact me. <br />Sincerely, <br /> <br />Marcus A. Middleton <br />Environmental Specialist <br />MAM:dg <br />Enclosure <br />L <br />