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REV06840
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REV06840
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Entry Properties
Last modified
8/25/2016 1:07:50 AM
Creation date
11/21/2007 9:37:15 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Revision
Doc Date
11/30/1995
Doc Name
FACTOR OF SAFETY SUMMATION FOR THE PARKING LOT EXTENSION AT THE WEST ELK MINE
From
HARDING LAWSON ASSOCIATES
To
MTN COAL CO
Type & Sequence
MR174
Media Type
D
Archive
No
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8 165.18 116.74 <br />9 170.00 125.50 <br />10 170.97 129.10 <br />Circle Center At X = 131.2 Y = 141.1 and Radius, 41.8 <br />*** 2.507 *** <br />Failure Surface Specified By 12 Coordinate Points <br />Point X-Surf Y-Surf <br />No. (ft) (ft) <br />1 100.00 109.73 <br />2 107.26 102.85 <br />3 115.86 97.75 <br />4 125.38 94.70 <br />5 135.35 93.84 <br />6 145.25 95.21 <br />7 154.60 98.76 <br />8 162.93 104.29 <br />9 169.82 111.54 <br />10 174.92 120.14 <br />11 177.98 129.66 <br />12 178,04 130.30 <br />Circle Center At X = 134.2 Y = 138.5 and Radius, 44.7 <br />* ** 2.520 *** <br />1 <br />Failure Surface Specified By 9 Coordinate Points <br />Point X-Surf Y-Surf <br />No. (ft) (ft) <br />1 106.67 110.89 <br />2 115.97 107.23 <br />3 125.82 105.47 <br />4 135.82 105.69 <br />5 145.58 107.86 <br />6 154.72 111.92 <br />7 162.88 117.69 <br />8 169.76 124.95 <br />9 172.67 129.61 <br />Circle Center At X = 129.7 Y = 155.9 and Radius, 50.6 <br />* ** 2.527 *** <br />
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