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Table 2. Mining Depths <br /> Starting Final <br /> Elevation <br /> Phase# Elevation Elevation <br /> (feet) (feet) Delta (feet) <br /> Pre-mine/ 7975 8050 -75 <br /> Opening Fill <br /> 1 8275 8050 225 <br /> 2 8500 8275 225 <br /> 3 8275 8050 225 <br /> 4 8050 7925 125 <br /> 5 8500 7850 650 <br /> 6.4.4(f)(H) <br /> The entire site is composed of metamorphic bedrock; therefore, the final excavated surfaces and <br /> footprint of the mine will be blasted metamorphic bedrock and fines. <br /> 6.4.4(g) <br /> The primary materials to be mined are aggregates for use as construction materials in the Front <br /> Range. Gravel cobble and large boulders may be marketed and sold as landscape materials. <br /> Material will be crushed and further processed with respect to size and sorted into piles <br /> accordingly. Aggregate will be screened onsite in the processing area to blend the desired final <br /> product. Sorted and stockpiled final saleable material will be hauled off site primarily to the <br /> Young Ranch Resource <br /> December 2021 D-13 Lewicki & Associates <br />