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~S ~ <br />i~i <br />Answer: <br />CO Division of Minerals & Geology <br />SHB ACRA Project E92-7075 <br />Page 3 <br />Dr. David Buckner, PhD. has written a response to this issue which is attached to this <br />letter. <br />Question A'S: <br />Your request for a letter from the U.S. Army Corps of Engineers on the remapping of <br />newly developed wetlands associated with leakage from the St. Vrain Supply Canal. <br />Answer: <br />Laurie Rink (project wetlands consultant) has remapped the wetlands and an updated <br />report is being sent to you under separate cover. The USACOE has been asked to <br />confirm the remapping. <br />The Corps of Engineers requires 404 permits only if wetlands are to be disturbed and the <br />only disturbance possible starts in year 10 of mining (on the Second Ridge). 404 permits <br />have a shelf life of 3 years so we could apply for any necessary permits no sooner than <br />3 years in advance of disturbance. <br />Please let me know if you have any questions. <br />Sincerely, <br />SH_B AG/R~A~Inc. 0 <br />i~L-Gt.cX Y J~/i'~- <br />Paul Banks <br />Senior Project Manager <br />cc: John Lohr, Southdown <br />Parties to CMLRB hearing <br />Attachment <br />L^ A G R A <br />Esrth & Envimnmente/Group <br />