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NOTICE OF INTENT TO EXPLORE INVOLVING REMOVAL OF 250 TONS OR LESS OF COAL SPRUCE STOMP COAL EXPLORATION PLAN AREA I . ~J Depth of Drill Holes PAGE 20 Hole No. Surface Elevation New Temporary Improved Road (Miles) Estimated Rotary Drilling (Feet) Estimated Core Drilling (Feet) Total Depth SS-2 7,960 0.0 2,090 100 2,090 SS-3 8,080 0.11 2,190 100 2,190 SS-4 8,090 0.36 2,190 100 2,190 SS-5 7,800 0.02 1,990 100 1,990 SS-8 7,760 0.15 1,740 100 1,740 SS-9 8,020 0.15 2,715 100 2,715 SS-10 7,960 0.0 2,190 100 2,190 SS-11 7,850 0.0 2,265 100 2,285 SS-12 8,250 0.01 2,690 100 2,690 SS-13 8,050 0.0 2,690 100 2,690 SS-15 8,050 0.2 2,240 100 2,240 Totals 1.00 24,990 1100 24,990 Aquifers Aquifers are discussed in §2.02.2(2)(c), GROUND WATER above. BRL does not anticipate encountering any significant aquifers in the course of the proposed exploration program, although the Rollins Sandstone and lenticular but occasionally thick sandstone units in the coal-bearing interval of the Williams Fork Formation to be tested do frequently contain some water. Method for Plugging Drill Holes Holes not completed as surveillance or monitoring wells will be sealed using cement or other approved sealant from total depth to within three feet of the surface. Drill cuttings may be mixed with cement or other approved sealant during sealing. Holes will be marked with afour-foot (minimum) steel roof bolt or a T-shaped fence post. Sealing wily be in compliance with §4.07.3. That portion of the hole between the cement seal and the [reclaimed] ground surface will be filled with dirt, drill cuttings, or both to minimize hazards to wildlife, livestock, and humans. Pfans for Transfer and Modification of Exploration Drill Holes to Be Used as Surveillance, Monitoring, or Water Weils . The operator does not plan to modify any of these coal exploration holes into monitoring wells.