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J ■ <br /> Butala Sand& Gravel Co. <br /> Stockpile Audit <br /> 6/23/2023 <br /> Product Stockpiled: 2"to 4" Cobble Rock. <br /> Description Clean cobble rock screened to 2"to 4"nominal size from bank run <br /> excavation. <br /> Excavated from open pit walls by articulated front end loader or <br /> tracked excavator. Boulders larger than 3' sorted visually and <br /> remainder fed through a double-grizzly feeder,then to two triple-deck <br /> Production dry screen plants in series. Rock from grizzly are dropped off as 8"to <br /> Description 20"cobble and 20"+boulders. All screened products are stacked by <br /> conveyors then hauled to stockpiles by truck or loader. Screening <br /> fields cobble in five sizes ranges and natural sand. <br /> Stockpiled Quantity 1,750 C.Y. calculated from field mesurements. <br /> Product uses Sold for landscaping applications. Tradename: Glacier White Cobble <br /> Date September 2022 to present <br /> mined/stockpiled <br /> Source Location From wall excavation at south end of South open pit; depth 0 to -25' <br /> Proximity to MRA Excavated>1,000'; stockpiled>400' <br />