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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 A-A' (ENE-WSW) <br /> NOTES <br /> Pit Benches 10-ft width (minimum) <br /> Pit Walls 30-ft vertical height(maximum) <br /> Pit Walls 1H:2V(maximum) <br /> (Profile elevations of existing surface taken from Google Earth) <br /> Diagram prepared by Bob Oswald , <br /> High Country Consulting Services LLC. 9/17/21 <br /> i <br /> SCALE IN FEET (As shown on axes. Vertical exaggeration 3x.) <br /> A OVERBURDEN A' <br /> UPPER SURFACE OF OBSIDIAN (INFERRED) <br /> 1 <br /> `6i00 I <br /> EXISTING PROFILE OF HILL <br /> MINED PROFILE OF HILL <br /> OBSIDIAN <br /> EXISTING PIT <br /> ._.l <br /> �SUbO FLOOR OF EXPANDED PIT <br /> 0 3v� boa ��0 iZGJ 1rjoU <br /> DIRECTION OF MINING <br />