2008-03-03_PERMIT FILE - C2006085 (19)

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DRILL HOLE DESCRIPTION PROJECT: NORTHFIELD MINE DRILL HOLE # NF-0 NORTH. 0.0 SECTION SE 1 GEOLOGIST L. Bong EAST. 0.0 114, 1/4 SE of SE GPM of WATER 1.00 ELEV. 0.0 TWP. 19S DRILL DATE 04/09/t LOG TYPE Gamma, Density, Caliper, Resistivity RANGE 70W PAGE 3 of t TOP BOTTOM THICK LITHOLOGY DESCRIPTION GPN 429.0 443.00 14.0 Mudstone Lost Circulation 443.00 452.9 9.9 Mudstone ra ,silt 452.9 454.2 1.3 Shale Coal moderate dull, ritic 454.2 462.5 8.3 Interbedded Sandstone &Mudstone - ra 462.5 471.0 8.5 Mudstone ra ,silt 471.0 478.0 7.0 Sandstone ra , ve fine rain 478.0 493.0 15.0 Mudstone ra ,silt 493.0 494.8 1.8 Coal banded, Poor Circulation 494.8 ~ 509.5 14.7 Mudstone ra 509.5 517.5 8.0 Sandstone Lost Circulation 517.5 529.0 11.5 Mudstone Lost Circulation 529.0 537.4 8.4 Sandstone Lost Circulation 537.4 539.3 1.9 Coal Chandler, Poor Circulation 539.3 546.0 6.7 Mudstone Lost Circulation 546.0 546.7 0.7 ~ Sandstone Lost Circulation 546.7 551.0 4.3 Mudstone Lost Circulation 551.0 552.5 1.5 Shaley Coal Lost Circulation 552.5 555.0 2.5 Mudstone dark ra 555.0 560.0 5.0 Sandstone li ht ra ,fine rain 560.0 562.5 2.5 Mudstone dark ra 562.5 573.0 10.5 Interbedded Sandstone &Mudstone - ra ,silt 573.0 584.0 11.0 Sandstone ra , ve fine rain 584.0 597.0 13.0 Mudstone ra 597.0 598.5 1.5 Coal Lost Circulation 598.5 602.5 4.0 Mudstone Lost Circulation 602.5 604.0 1.5 Shaley Coal Lost Circulation 604.0 608.5 4.5 Mudstone Lost Circulation ~- 608.5 614.5 6.0 Sandstone Lost Circulation 614.5. 622.5 8.0 Mudstone Lost Circulation 622.5 640.2 17.7 Sandstone Lost Circulation 640.2 643.5 3.3 Coal Royal Gorge, Poor Circulation 643.5 646.0 2.5 Mudstone ra 646.0 685.0 685.0 699.0 39.0 14.0 Sandstone Sandstone li ht ra , ve fine to fine rain li ht ra to ra ,ve fine rain, silt Prepared by Pronghorn Geologic Services. P.O. Box 4344, Gillette. WY 82717