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Mr.Ben Langenfeld,P.E. <br /> Page 2 of 4 <br /> 8 January 2021 <br /> The requested TR4 revision comprises the following topics: <br /> o Changing the current reclamation plan/map to reflect an addition to the disturbed area <br /> o Inlet and Outlet installations <br /> As cartography is an efficient and necessary method for conveying spatial information please <br /> take note of the following cartographic best practices as they will assist in DRMS review of <br /> any permitting actions requested: <br /> o Please eliminate superfluous information in the legend, so that the map legend <br /> references only the information presented on the map. <br /> o Best practices in cartography suggest that not more than seven distinct layers be <br /> depicted on one map. <br /> o Assure that elevation callouts and other text do not overlap each other and are in a <br /> legible font size. <br /> Adequacy issues are numbered in italics below. <br /> DRMS 2021 January <br /> Rule 6.4.3,Rule 6.4.4,Rule 6.4.5(2)(c) <br /> Upon comparison of the 2020 Annual Reclamation map with Maps C2B and FIB submitted <br /> with the TR4 application, it appears to DRMS that the vegetated meander bend will be <br /> stripped and inundated as a result of extraction operations. <br /> 1. Please specify what measures are being taken to minimize or prevent injury to existing <br /> water rights both during and after mining of the disturbance proposed in TR4. This <br /> narrative could comprise an addendum to the 1980 reclamation plan on file at DRMS <br /> and be titled: Protection of the Hydrologic Balance. <br /> 2. Please provide an updated Mining Plan narrative. <br /> 3. Please assure that Map C2B provides all information required as per Rule 6.4.3. This <br /> may mean a larger format mat, or even two maps to insure all information is legible. <br /> DRMS 2021 January <br /> Rule 6.4.6 <br /> 4. Please assure that Map FBI provides all information required as per the above <br /> mentioned rule. <br /> DRMS 2021 January <br /> Rule 6.4.5 Exhibit E Reclamation Plan,Rule 6.4.12 Exhibit L Reclamation Costs <br /> DRMS has on file the 1980 Bunn Ranch Reclamation Plan. There is a need to update the <br /> reclamation plan with information appropriate to Technical Revision TR4, specifically in the <br /> areas of timing, hydrologic balance, and reclamation costs. DRMS understands that the Bunn <br /> Ranch site includes a total of 133 permitted acres with a maximum permitted disturbance of <br /> 50 acres. The requested new disturbance with TR4 is within the Bunn Ranch permit boundary <br /> however, the added disturbance acreage was not fully addressed in the application. <br /> TR4 Bunn Ranch Pit <br />