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RECEIVED <br /> JUL 19 2022 <br /> 1 DIVISION OF RECLAMATION <br /> I MINING AND SAFETY <br /> BLACK OBSIDIAN PIT COLORADO QUARRIES INC. <br /> PERMIT M-1987-026 112C CONVERSION CN-01 <br /> EXHIBIT F—RECLAMATION PROFILE OF PIT,CONCEPTUAL: CROSS-SECTION B-B' (NW-SE) <br /> NOTES <br /> Pit Benches 10-ft width(minimum) <br /> Pit Walls 30-ft vertical height(maximum) <br /> Pit Walls Vertical(maximum) <br /> Overall Benched Highwall is 0.5H:1.0V <br /> (Profile elevations of existing surface taken from Google Earth) <br /> Diagram prepared by Bob Oswald <br /> High Country Consulting Services LLC. jy 7/10/22 <br /> SCALE IN FEET(As shown on axes. Vertical exaggeration 3x.) <br /> IF, 5/ <br /> ELEV. GXt5T04(r ('Rat=1{.tr <br /> Sin' UPPER SURFACC OF OBSIDir�s� <br /> 8 <br /> .,•IO�Q� 4BSIDtAta <br /> MIWED PIT, FLO O-K <br /> a 300 boo goo I7.00 1500 1%00 <br /> �— D1"�ECTtoN OF M�N1tvG --� <br />