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the Horse Gulch Fill area, specific information regarding inspection of construction of the Horse <br />Gulch Fill and K-Pit Buttress Fill, detail regarding the timeline and phasing of the construction <br />of the Horse Gulch Fill, adjustment of the size of underdrain material to be utilized, information <br />evaluating the type of material utilized in the Horse Gulch Fill, detail in the text to describe the <br />method of underdrain core construction in advance of the dragline operation, and modified <br />figures for illustrating the anticipated construction sequence for the Horse Gulch Fill. Responses <br />to all of the Division's questions were received by the Division on June 5, 2009. <br />Revisions to the Permit <br />Minor Revisions and Technical Revisions which have been made to the Trapper Mine permit <br />since the last Permit Revision (PR-05) are listed below. <br />Minor Revisions: <br />Revision No. <br />MR 190 <br />MR191 <br />MR 192 <br />MR 193 <br />MR 194 <br />MR 195 <br />MR 196 <br />MR 197 <br />MR 198 <br />MR 199 <br />MR200 <br />MR201 <br />MR202 <br />MR203 <br />MR204 <br />MR205 <br />MR206 <br />MR207 <br />MR208 <br />MR209 <br />MR210 <br />MR211 <br />MR212 <br />MR213 <br />A-proval date Nature of revision <br />9/17/2003 Pit Limit Modifications <br />10/31/2003 Include New F-1 Haul Road and M-9 Permit Map <br />12/16/2003 Change Perimeter and Topsoil Marker Colors <br />7/27/2004 F-Pit Stripping Extension <br />9/21/2004 West Horse Gulch Pond As-Built Certification <br />9/8/2004 Updated SPCC Plan and Renewed NPDES Permit <br />10/21/2004 Modify Haul Road F-1 and Add Haul Road F-0 <br />10/21/2004 Mining Limit Timing Changes for Z-Pit <br />2/18/2005 Update Haul Road Certification Map and Road <br /> Construction Certifications <br />6/10/2005 Pit Limit Revision: F-Pit and Z-Pit <br />5/27/2005 Description of Shrub Establishment Test Plots <br />7/01/2005 Add Additional G-Pit Haul, Move Explosives Magazine <br /> Area and Revise A-Pit Mining Area <br />8/23/2005 Baby Doe Tub Pad <br />11/10/2005 Update Drillhole Abandonment Procedures <br />1/31/2006 Update Haul Road Certifications <br />4/13/2006 Voluntary Woody Stem Plantings <br />6/09/2006 Add Topsoil Stripping Area in G, BA, and Z Pits and <br /> Modify Pit Length in East A and G Dip Pits <br />7/13/2006 Embankment Stability Analysis for Deal Gulch Pond <br />9/01/2006 Deal Gulch Dam Construction Certification <br />Withdrawn <br />11/03/2006 Tension Crack Stabilization in the East Panel Landslide <br />12/12/2006 Revise Topsoil Stripping Area in D-Pit I-Seam Area and <br /> Reroute a Portion of West Area Power Lines <br />2/23/2007 Investigation and Monitoring Boreholes in G/K Pits and <br /> Z-Pit Areas <br />6/28/2007 Three Additional Investigation and Monitoring Holes in <br /> G-Pit Area <br />Trapper Mine 8 September 21, 2009