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2014-06-19_PERMIT FILE - C1981019A
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2014-06-19_PERMIT FILE - C1981019A
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Last modified
8/24/2016 5:44:54 PM
Creation date
6/23/2014 10:51:07 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
6/19/2014
Doc Name
Geotechnical Stability Report For Highwall Mining At the Colowyo Coal Mine
Section_Exhibit Name
Exhibit 23, Item 1
Media Type
D
Archive
Yes
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Depth from collar, ft <br />HM-03-02 <br />175 <br />180 <br />7 89 Sandstone <br />185 <br />14N-1 <br />190 <br />10.3 54 Sandstone, Siltstone. Mudstone <br />195 <br />j <br />It <br />Ff�ff_ <br />2.9 0 Mudstone-,—.—, <br />0� <br />200 <br />5.2 79 C5 coal <br />205 <br />2.9 99 Sandstone/Siltstone — ---- <br />3.0 96 Siltstone._rr.,�, <br />210 <br />213 90 Sandstone/Siltstone <br />4.8 34 Mudstone <br />215 <br />2.6 100 Sandstone/Siltstone <br />220 <br />1.8 0 Mudstone <br />.......... <br />nwnw7.- <br />2.4 21 Sandstone <br />225 <br />2.9 95 Sandstone/Siltstone <br />I <br />1.3 0 Mudstone <br />....... <br />3.0 100 D1 coal <br />230 <br />2.8 46 Mudstone <br />I <br />1.7 59 Mudstone <br />235 <br />7.2 69 D2 coal <br />240 <br />2.4 0 Mudstone—•. <br />245 <br />777 <br />250 <br />255 <br />22.4 96 Sandstone <br />260 <br />265 <br />270 <br />7.6 59 E2 coal <br />275 <br />3.9 31 Mudstone—.---.—,—, <br />1.8 100 Siltstone_ — <br />280 <br />4.2 66 Sandstone,_,— <br />285 <br />rrwca <br />Colowyo Coal Company <br />0' 81 16, 24' <br />Engineering, Inc. <br />Generalized Lithology Log <br />East Pit, Borehole HM-03-02 <br />1 in 8 ft <br />w E <br />TLV C obryo Lit—I d Mo.wnOar 26. Hp3 r9 <br />
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