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• <br />SENECA MINE <br />LOG OF BOREHOLE <br />Bore Hole: M-3 (GW-544) <br />Project: 0260 <br />Date Drilled: 7-30-81 thru 8-2-81 <br />Land Title: Grassy Creek <br />Location: NW, SE Section 12, TSN, R87W, Routt County, Colorado <br />Driller: D. Clements <br />TOTAL STRATA <br />THICKNESS <br /> Soil 4.1 <br />4.1 Shale, gray 8.4 <br />12.5 Lost 7.5 <br />20.0 Shale, gray 1.8 <br />21.8 Lost 1.4 <br />23.2 Shale, gray 4.6 <br />27.8 Sandstone, gray II.0 <br />• 38.8 Coal 4.9 <br />43.7 Sandstone, gray 3.0 <br />46.7 Shale, gray 0.2 <br />46.9 Sandstone, gray 9.9 <br />56.8 Shale, gray 1.2 <br />58.0 Sandstone, gray .24.0 <br />82.0 Shale, black I.0 <br />83.0 Shale, black sticky 1.5 <br />84.5 Shale, black 0.2 <br />84.7 Sandstone, gray 0.4 <br />85.1 Shale, black 0.3 <br />85.4 Sandstone, gray, medium 6.6 <br />92.0 Shale, black I.0 <br />93.0 Shale, gray with carbon streaks 2.8 <br />94.8 Shale, black 0.9 <br />95.7 Shale, gray, sticky 0.3 <br />96.0 Coal 9.3 <br />105.3 Shale, black 0.6 <br />105.9 Shale, gray 0.6 <br />106.5 Sandstone, gray, medium hard 2.1 <br />108.6 Shale, gray 0.1 <br />108.7 Sandstone, gray, medium hard 0.6 <br />109.3 Shale, with carbon streaks 1.7 <br />III.O Sandstone, gray, medium hard 0.2 <br />111.2 Shale, gray 0.6 <br />• 111.8 Core Lost 0.2 <br />112.0 Shale, gray 0.3 <br />112.3 Sandstone, gray, medium hard 2.0 <br />6-371 NOV $ $ 1981 <br />