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<br />MONITOR WELL LITHOLOGIC LOG
<br />Page 1 of 1
<br />Monitor Well Nanie GW-N25(WIJ0025)* Geologic Unit Monitored Overburden
<br />Drilling Date 04/21/86 Logged By G. Wendt and Underburden
<br />Geophysically Logged By Non? Total Depth Drilled (ft) 33.7
<br />*Exploration 11o1e 875-E
<br />DEPTH (FTl
<br />DESCRIPTION AND COMMENTS
<br />0.0 - 0.4 SOIL, sandy loam, reddish brown, friable, SE/14E
<br />0.4 - 2.0 SANDSTONE, yellowish brown, hard, VE
<br />2.0 - 4.0 SANDSTONE, brown, hard and slightly hard, gray SHALE, SE ME
<br />4.0 - 5.0 SHALE, dark gray, slightly hard, NE
<br />5.0 - 5.6 SHALE, very dark gray to black, slightly hard, carbonaceous, NE
<br />5.6 - 7.5 COAL, Upper Dakota seam, soft, weathered and oxidized, NE
<br />7.S - 8.0 SHALE, very dark gray, slightly hard, carbonaceous, tJE
<br />8.0 - 11.0 SAIJDST0IJE, light brownish gray, slightly hard to hard, NE
<br />11.0 - 16.2 SANDSTONE, light brown, hard, NE
<br />16.2 - 18.4 SHALE, gray to dark gray, slightly hard, 1JE, yellow sulfur stains
<br /> in fractures, 50% hard light gray sandstone at 18.i - i8.4
<br />18.4 - 25.7 COAL, Lower Dakota seam, gray shale streaks at 18.84 - 18.86,
<br /> 19.99 - 20.01 and 19.86 - 19.94, few (5%) dark grayish brown
<br /> carbonaceous shale lamella at 25.6 - 25.7
<br />25.7 - 25.9 SHALE, gray, soft to slightly hard
<br />25.9 - 28.1 SANDSTONE, light gray, hard
<br />28.1 - 30.4 SHALE, gray, slightly hard and hard light gray SANDSTONE,
<br /> fractured at 0.5 foot interval
<br />30.4 - 31.6 SHALE, gray, slightly hard to hard, very dark gray carbonaceous
<br /> shale with coal streaks at 30.95 - 31.25
<br />31.0 - 33.2 SANDSTONE, light gray, extremely hard, 15% gray shale at 31.6 - 32.
<br /> and 33.0 - 33.2
<br />33.2 - 33.7 SHALE, gray, slightly hard
<br /> Cuttin s collected from 0.0 - 17.0 feet, 5Y: inch diameter hole
<br /> 3 inch core from 17.0 - 33.7 feet, 4 7/8 inch diameter hole
<br /> 2 inch PVC casing installed to 33.5 feet, slotted at 27.5 - 33.5
<br /> feet, acker at 4.5 feet
<br />Dry Hole
<br />NE - Non Effervescent
<br />h1E - Moderately Effervescent
<br />SE - Slightly Effervescent
<br />VE _ Violently Effervescent
<br />Dakota Coal
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