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Technical Revision 25, Rev. 1 Schwartzwalder Mine <br /> The areas scanned included the main valley floor, and the stream portion up-valley from the <br /> operations area. Much of the site contains medium to large rocks, restricting access in some <br /> locations. Scanning was performed as close to the stream as possible in the operations area. <br /> Each of the waste rock piles was partially scanned. A scan was also conducted along the steep <br /> dirt road that leads generally south, up and out of the valley. This road passes two mine adits, <br /> and ascends the slope to a mine exhaust vent and the property boundary. A detector system was <br /> also used to scan the center line of the access road leading from the site to Ralston Reservoir. <br /> The results of the gamma survey were kriged in GIS to provide continuous color-coded contours <br /> - of gamma levels. <br /> Mine Permit M-1977-300 <br /> Cotter Corporation(N.S.L.) 5 June 2017 <br />