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Plugging and sealing borings - 2 (10" x 750 @ $1,000/hole $2,000 <br />Plugging and sealing borings - 2 (10" x 1,100 @ $1,300/hole $2,600 <br />Plugging and sealing borings - 1 (10" x 1,300 @ $1,500/hole $1,500 <br />Backfilling mud pits - 5 @ 24cy (20' x 8' x 4~ @ $0.60yd $75 <br />Regrading drill pads - 5 @ 0.3 acre @ $2,000/acre $3,000 <br />Regrading staging areas and pumping facilities - <br />(0.1 + 0.5 + 0.1 acres) @ $2,000/acre $1,400 <br />Soil replacement - (S x 0.3) + (0.1 + 0.5 + 0.1) + $2,367 <br />(8,000 x 20)/43,560 k] x 43,560 k/acre x 0.5 k/27 <br />@ $0.50/yd <br />Revegetation - (1.5 + 0.7 + 3.67) @ $1,000/acre $5870 <br />Total Direct Costs <br />$18,812 <br />Total Induect Costs (@12 percent) $2,257 <br />Total Estimated Costs <br />$21,069 <br />MONTGOMERY WATSON <br />Twentymile Exploration NOI draft <br />June 1999 <br />