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mineral testing stage. If the prospecting and mineral testing is successful, the size and rate of <br /> operation could be similar to the current level of effort. If that is the case, then the prospecting <br /> and testing can smoothly transform to mining and processing, using the same disturbance <br /> footprint, similar chemistry, and similar tailings sand placement. If the current prospecting and <br /> testing should indicate that a significant change in mining and processing methods be employed <br /> that might materially affect the environment, or if the footprint should need to be significantly <br /> expanded, than an additional amendment to the permit might be required. <br /> While the original mining plan simply and correctly described the operation that was occurring <br /> during in the summer of 2020, per the CMLRB order, the description is expanded in this <br /> amendment to comply with that order, and includes the chemical xanthate as a "designated <br /> chemical", which DRMS has added to its list. Additionally, since some time has passed since <br /> the original permit was put in place, and more information has been gained from the work that <br /> has been performed at the site, this additional information is also included in this amendment. <br /> The changes are identified per section of this exhibit. Sections that require no change are <br /> labeled "No change". <br /> (1)(a) The project remains in prospecting stage, and it appears that successful operation might <br /> be possible. At this time, a best estimate for end of project is 10 years from the current <br /> date, or May 2031. If substantial economic material is found, the life of the project <br /> could be extended beyond that date. <br /> (1)( c) No change <br /> (1)(d) No change <br /> (1)(e) The site is still in prospecting and exploration stage searching for veins and other <br /> underground structures. When suitable material is encountered, a portion of it is <br /> removed and tested using the on-site test mill. If successful, mining and milling could <br /> occur, and the specifics of both the mining and processing will depend on the results of <br /> that testing. It is likely that when the operation reaches mining stage, the mining will <br /> occur in much the same manner as the exploration, as the methods for mining and milling <br /> will be the result of the experience gained from the prospecting work. An additional <br /> shaft (Shaft II) is shown on the updated map and will likely be needed in the near future <br /> to move men, materials safely. Upon cession of mining, the feature will be closed in the <br /> same manner as described for other features. The overhead powerline discussed in the <br /> original permit had been installed for the benefit of the property and has been added to <br /> the Exhibit E map. The operator can use this utility while mining, but the line is part of <br /> the underlying property, will stay with the property after mining ceases, and is not part of <br /> 3 <br />