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Rifle Gravel Pit#1 January 2023 <br /> reclamation effort follows Garfield County LUC standards (LUC Section 7-1002.H). Formal <br /> wetland mitigation per USACE standards is not required, as no impacts to wetlands are <br /> proposed. <br /> See Section 6 for additional information regarding reclamation of the property. <br /> 5.3 Mining Timetable <br /> At this time, the proposed mine would operate daily, with excavation and processing <br /> occurring 8 months of the year (roughly April — November). Total recoverable volume is <br /> estimated at approximately 292,810 CY of aggregate, which is expected to support <br /> operations for between three and five years. <br /> The estimated schedule for preparing, mining, and reclaiming this site is as follows: <br /> • March 2023 —start of site prep (LDA staking, overburden removal, and berm <br /> construction) <br /> • April 2023— start of mining operations and concurrent reclamation as mining <br /> progresses <br /> • December 2026 to 2028— end of mining operations and reclamation (life of mine <br /> estimated at 3-5 years) <br /> Table 2 provides a range of the duration of mining by phase/stage, estimated nature, depth <br /> and thickness of the deposit to be mined and type of overburden to be removed. <br /> Attachment C includes the exploratory boring logs and material information. <br /> 33 <br />