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<br /> <br />Wildcat Mining Corporation <br />May Day and Idaho Mine and Mill Application <br />112(d) Permit – Technical Revision No. 1 <br />May Day and Idaho Mine <br />M-1981-185 <br />Revised June 30th, 2016 <br />6 <br />5) Conclusions <br />Portal and head wall stabilization was completed in accordance with the best engineering <br />practices. Head scarp and bench maintenance and monitoring activities will continue during <br />operation. <br />6) Maintenance Activities include: <br />• Routinely survey topographic slope stability monuments <br />• Remove mill and debris; <br />• Maintain stormwater runoff control structures; and <br />• Annually report site observations; <br /> <br />Photos <br /> Pre and Post Construction <br />• May Day No. 1 –Collapsed Portal Debris <br />• Portal Stabilization Features <br />• Location of Scarp Bench Stability Monitoring Points <br />Figures <br /> Figure 1 May Day No. 1 As-Built Topography <br />General Site Location (See Attachment 2) <br /> Typical Adit Support Sections (Attachment 6) <br />Attachments <br />Attachment 1- Gonzales-Headwall-Collapse Assessment March 31, 2011 <br />Attachment 2 - Technical Revision Work plan- March 3.02.2012 <br />Attachment 3 - May Day No. 1 May Day No. 1 Work Plan <br />Attachment 4 - Geotechnical Design Components <br />Attachment 5 – Headwall Stabilization –Franklin Drilling & Blasting Inc. <br />Attachment 6 - Implemented Study for Cursory Geotechnical Consultation and Study for <br />the Mayday Mine Headwall Stabilization Project, Hesperus, Colorado <br />Attachment 7-Portal Steel Set Design-Melcher Construction Notes