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_ T~ 3g <br />Exploration Bond Summary <br />Attachment 10 Exhibit 1 <br />The following cost estimates are based on Basin's contract work <br />conducted during the 1994 exploration program. <br />1. Regrade Drill Pads: <br />Total pad disturbance for 21 sites is 210,000 ftz. <br />Regrade using small dozer - $60./hr. <br />Estimated time is 1 hour per 1000 ft~. <br />210 hrs x $60./hr ..............................$ 12,600. <br />2. Reseed Drill Pads and New Roads: <br />a) Drill sites......4.83 acres <br />b) New roads........5.53 acres <br />(a + b) = 10.36 acres x $250./acre ..............$ 2,590. <br />3. Regrade Roads: <br />a) New roads........... 17,300 ft. <br />b) Existing roads.......33,400 ft. <br />• (a + b) = 50,700 ft x 1 hr/500 ft. x $60./hr....$ 6,084. <br />4. Backfill Mudpits: Size = 40' x 8' x 6' <br />a) One pit per site.......21 <br />b) Contingency pits....... 4 <br />(a + b) = 25 pits x 4 hrs/pit x $60./hr.........$ 6,000. <br />5. Cementing Cased Holes: (Includes Hole Marker) <br />Assume worst case bottom to top. <br />Total footage: 20,870 ft. from Table 2. <br />Hole (Casing) diameter: 6 inches ID <br />Number of holes: 21 <br />a) Cement Grout: (Estimated footage) <br />200 ft. in each hole c 700 <br />500 ft. in each hole > 700 <br />9,300 ft x $1.05/ft .............$ 9,765. <br />b) Abandonment Fluid: (Gel Type) <br />20,870' - 9,300' = 11,570' <br />11,570' x $0.15/ft ...............$ 1,736. <br />c) Drill rig, water truck, & labor: <br />168 hrs x $125./hr ..............$ 21,000. <br />