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TRAPPER MINING INC. <br />April 12, 2011 <br />Mr. Robert Zuber, PE ?? <br />Environmental Protection Specialist ?4 <br />Colorado Division of Reclamation, Mining, and Safety <br />1313 Sherman Street, Room 215 ??Cv `?0 fi <br />Denver, CO 80203 ?`?b??.??a®* <br />Q ? <br />Dear Mr. Zuber: <br />RE: Trapper Mining Inc., Permit C-81-010 <br />First Quarter 2011 Sediment Pond Inspections <br />Impoundment inspection results for the first quarter of 2011 are enclosed. All impoundment inspections <br />were conducted by a qualified impoundment inspector. Inspections took place January 25, February 8, <br />and March 15 and 28. <br />Maintenance items noted during the inspections were as follows: <br />1. Coyote has a few small animal burrows that need to be filled in. <br />Trapper will address this maintenance item in a timely manner. <br />Data related to pond capacity is attached. The last column on the table provides an estimate of the <br />remaining capacity in each pond where remaining capacity is defined as the volume remaining after <br />considering the estimated amount of sediment noted during the inspections. <br />Your letter dated February 28, 2011 commented on an apparent discrepancy between the observed <br />sediment in some ponds versus the amount of sediment listed in the pond capacity data table. Because <br />these are visual observations conducted by different personnel, with different environmental conditions <br />and water levels present, it is possible the table will depict more sediment than the field observation. This <br />is typically due to a higher percentage of sediment being reported in a previous quarter. I will not reduce <br />the estimated sediment unless a pond has been cleaned, or a lower sediment level is confirmed. <br />You also had a comment concerning the Industrial Waste Pond and its sediment level. Per Section <br />4.3.2.2 of Trapper's permit, the IWP is not a sediment control structure, though it is checked regularly. <br />Sediment is captured in concrete sumps in the wash bays in the shop area before the water is piped to <br />this impoundment. For this reason, sediment is not reported on the attached pond capacity data table. <br />Please contact me if you have any questions. <br />Sincerely, <br />Seth A. Puls <br />CO PE 41406 <br />?p0 LICFN <br />0?0 ,rPUSTIN ,oil CFO <br />U ; cr <br />• <br />41406 <br />-? ; tlrrL-'I :?? <br />??FFSS/ON <br />Q F. Luke/EQ file 118.7 <br />P.O. Box 187 Craig, Colorado 81626 (970) 824-4401