Laserfiche WebLink
r = STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />May 31, 2007 <br />Theresa Friederich <br />4571 New Hampshire Street <br />San Diego, CA 92116 <br />Re: Seneca II-W Mine (Permit No. C-1982-057) <br />Revision: TR-59 <br />Postmine Channel Designs and Sediment Pond 005 Channel Capacity <br />Dear Ms. Friederich: <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />- bc- <br />SAFETY <br />Bill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cottony <br />Division DIreC10r <br />Natural Resource Trustee <br />The Division of Reclamation, Mining and Safety has received a revision for the Seneca II-W Mine. The <br />revision was called complete on May 31, 2007. The decision due date is July 30, 2007. <br />This technical revision application provides revised postmining stream channel designs for the Seneca II- <br />W Mine, incorporating the use of turf reinforcement mat in selected channel segments. The application <br />also provides updated sediment and runoff modeling documentation for Sediment Pond 005, to reflect <br />current watershed conditions. <br />If you have any questions, please contact me. <br />Sincerel , <br />Dan T. Mathews <br />Environmental Protection Specialist <br />DTM/Ahd <br />M:\OSStahdltemp\C-CL01 _C I98Z057_DTM_053I20070Z2834.doc <br />Office of <br />Mined Land Reclamation <br />Office of <br />Active and Inactive Mines <br />