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IVEWMON T RECEMED Newmont Mining Corporation <br /> Cripple Creek&Victor Gold Mine <br /> JAN 0 9 2017 100 North 3''Street P O Box 191 <br /> T 719-689-4029 <br /> F 719-689-3254 <br /> DIVISION OF RECLAMATION www.newrnont corn <br /> MNINGAID SAFETY <br /> SENT CERTIFIED, RETURN RECEIPT REQUESTED <br /> 7015-1660-0000-0779-8379 <br /> 3 January 2017 <br /> Mr. Timothy Cazier, P.E. <br /> Environmental Protection Specialist <br /> Colorado Department of Natural Resources <br /> Division of Reclamation, Mining and Safety <br /> Office of Mined Land Reclamation <br /> 1313 Sherman Street, Room 215 <br /> Denver, Colorado 80203 <br /> Re: Permit No. M-1980-244; Cripple Creek & Victor Gold Mining Company ("CCWT Cresson <br /> Project-Written notification — ECOSA tailings spill -24th December 2016 <br /> Dear Mr. Cazier, <br /> In accordance with Rule 8, Section 8.2.3 of the Hard Rock, Metal and Designated Mining <br /> Operations Regulations (2015), CC&V hereby provides the Division with a formal report <br /> regarding the East Cresson Overburden Storage Area (ECOSA)tailings release that occurred at <br /> operation on 24th December 2016. <br /> The following points addresses the requirements as outlined within Rule 8, Sub section 8.2. <br /> a. Actions taken to respond to and correct the emergency situation or condition <br /> • Once the dumped material was identified the active dump location was immediately <br /> shut down and trucks routed to another location to avoid disturbance. An inspection <br /> of the dump area and dump face was completed with no additional material sighted. <br /> • An immediate inspection of all other trucks used at the Load Out Bin (LOB)from the <br /> previous shift was completed with no tailings material identified frozen in any other <br /> fleet. <br /> • Samples were taken of the spilled material and surrounding ground. <br /> • A Cat 993K loader recovered the dumped material using an `over-excavation' <br /> approach. The area was excavated by first digging a trough on the south side of the <br /> spill to allow for cutting under the tailings without causing a spread of contamination <br /> and dig direction could be away from the dump berm. Depth of recovery was <br /> approximately 40-48 inches and extending about 10 feet around the boundary of the <br /> dumped material. <br /> • The excavated soil was transported by a Cat 777G to the Squaw Gulch Valley Leach <br /> Facility (VLF) 9650 elevation and placed on the bench elevation on liner to ensure no <br />