2023-02-24_PERMIT FILE - M2022013 (8)

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Page 121 6.4.4 EXHIBIT D — Extraction Plan NOTE: Shoreline irregularities and fill to establish and enhance the aesthetic and end-use functions of the resulting basins shown on Exhibit F: Reclamation Plan Map, are illustrative only, as this effect as to location and extent will be field-fit where practical, and may substantively different from that portrayed under the application. The actual location and extent will be identified in subsequent OMLR Annual Reports, and absent there, at the time of any applicable release of a location in part or whole from the permit. Since representations cannot be accurately portrayed in advance, Exhibit F simply identifies the near maximum extent [typical] of the resulting basins or ponds and the potential for shallows during lining and finished grading. The estimated timetable for extraction, commencing approximately spring to winter 2023; is estimated to take 23-28± years combined, or longer, followed by an additional five years to complete reclamation; or a total estimated life of the mine of 28-33± years; ending approximately winter 2051 to 2056. This is a life of the mine operation and all timetables are estimates and may prove shorter or longer than stated. The final determination will occur five years after the deposit is exhausted and all marketable product has been removed and necessary infill completed at the location to the point of final reclamation as approved or modified under the terms of the permit is completed. This submittal is unable to fully forecast the maximum extent of affected land expected at any given point in time, beyond an annual basis. As operational extraction and reclamation efforts will vary annually, the timing of extraction, reclamation, and life of operation as forecasts must be based on an initial estimate [refer to Exhibit L - Reclamation Costs], then subsequently verified and adjusted as reasonably determined at the time of the required OMLR Annual Report. If justified by field conditions, a rider to the warranty would follow in due course to reflect current or forecast conditions where such conditions cannot be reasonably attenuated in a timely manner prior to the due date of the next year's Annual Report. This will serve to assure flexibility and confidence in continued operations until completion of the desired end use. Additional information on the reclamation and restoration of affected lands is identified under Exhibit E: Reclamation Plan. All reclamation will follow guidelines established under Exhibit E - Reclamation Plan and Exhibit I/J: Soils and Vegetation Information, until and unless otherwise revised. To the extent possible, pond bottoms will be left rough, with the possible introduction of logs or other non-putrescent inert material to aid in aquatic habitat and cover [Refer to Exhibit H - Wildlife Information]. VARRA COMPANIES, INC. TWO RIVERS SAND GRAVEL AND RESERVOIR PROJECT MARCH 2O22 A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION-COLORADO DIVISION OF RECLAMATION MINING&SAFETY OFFICE OF MINED LAND RECLAMATION