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Probable Hydrologic Consequences New Elk Mine 22
<br />Table 14. Shut In Water Levels for Packer Test Sections
<br />Borehole
<br />Test Interval
<br />Unit
<br />DTW
<br />(ft btoc)
<br />Elev.
<br />(ft amsl)
<br />Comment
<br />Top
<br />Bottom
<br />1,164
<br />243
<br />256
<br />Red coal
<br />237.2
<br />7,095
<br />Stable
<br />1,180
<br />257
<br />270
<br />Fractured sandstone below Red
<br />136
<br />7,196
<br />Stable
<br />1.200
<br />284
<br />307
<br />Sandstone /mudstone /shale above Maxwell
<br />241.7
<br />7,091
<br />Decreasing at 0.45 ft /min
<br />NE1
<br />308
<br />321
<br />Maxwell coal
<br />263.3
<br />7,069
<br />Decreasing at 0. 19 ft/min
<br />-10
<br />320
<br />333
<br />Maxwell coal
<br />192.9
<br />1 7,139
<br />1 Decreasing at 0.52 ft/min
<br />1,478
<br />370
<br />383
<br />Apache coal
<br />299.9
<br />7,032
<br />Decreasing at 0. 11 ft/min
<br />1,492
<br />392
<br />415
<br />Sandstone /shale above Allen coal
<br />145.1
<br />7,187
<br />Decreasing at 0.37 ft/min
<br />1,373
<br />416
<br />429
<br />Allen coal
<br />299.9
<br />7,032
<br />Decreasing at 0. 18 ft/min
<br />291
<br />315
<br />Lower Bingham Canyon + mudstone /siltstone > sandstone
<br />136
<br />7,116
<br />Decreasing at 1. 97 ft /min
<br />316
<br />340
<br />Mudstone /siltstone > sandstone
<br />304.6
<br />6,947
<br />Stable
<br />346
<br />370
<br />Red coal + mudstone /siltstone > sandstone
<br />319.1
<br />6,933
<br />Decreasing at 0. 15 ft /min
<br />371
<br />395
<br />Siltstone /sandstone > mudstone
<br />296.2
<br />6,956
<br />Stable
<br />NE
<br />406
<br />429
<br />Mudstone /siltstone > sandstone
<br />332.6
<br />6,919
<br />Stable
<br />-5 -10
<br />429
<br />453
<br />Maxwell coal + mudstone /siltstone
<br />400.3
<br />6,852
<br />Decreasing at 0.26 ft/min
<br />486
<br />510
<br />Sandstone > siltstone
<br />339.2
<br />6,913
<br />Decreasing at 0.34 ft/min
<br />502
<br />526
<br />Allen coal + sandstone /siltstone /mudstone
<br />354.5
<br />6,897
<br />Decreasing at 0.65 ft/min
<br />512
<br />536
<br />Allen coal + mudstone /siltstone /sandstone
<br />300.2
<br />6,952
<br />Stable
<br />525
<br />549
<br />Mudstone /siltstone /sandstone /coal
<br />136
<br />7,116
<br />Decreasiniz at 1.97 ft/min
<br />256
<br />279
<br />Green roof sandstone /mudstone /siltstone)
<br />198.8
<br />7,172
<br />Stable
<br />283
<br />306
<br />Green coal
<br />243.1
<br />7,127
<br />Stable
<br />340
<br />353
<br />Sandstone
<br />201
<br />7,170
<br />Stable
<br />NE
<br />420
<br />443
<br />Blue coal
<br />333.8
<br />7,037
<br />Stable
<br />-6 -10 a
<br />449
<br />472
<br />Blue Floor sandstone /mudstone /siltstone
<br />243.8
<br />7,127
<br />Decreasing at 0. 19 ft/min
<br />602
<br />800
<br />Red coal
<br />511.4
<br />6,859
<br />Stable
<br />690
<br />800
<br />Maxwell coal
<br />544
<br />6,827
<br />Stable
<br />718
<br />800
<br />Apache coal 1
<br />560.5
<br />1 6,810
<br />IStable
<br />NE -7 -10 1,079 1,276 Entire saturated section 1097.6 6,657 Decreasing at 0.63 ft/min
<br />NE -8 -10 1,097 1,297 Entire saturated section 1 896.3 6,907 Stable
<br />NE -10 -10 1 1,372 1 1,551 1 Entire saturated section 1 833 1 7,069 1 Stable
<br />1,134
<br />1,157
<br />Green coal
<br />948.7
<br />6,846
<br />Stable
<br />1,164
<br />1,187
<br />Blue roof /Green Floor
<br />979.6
<br />6,815
<br />Decreasing at 0. 12 ft /min
<br />1,180
<br />1,203
<br />Blue coal
<br />897.5
<br />6,897
<br />Decreasing at 0.53 ft/min
<br />NE
<br />1.200
<br />1,223
<br />Blue floor mudstone /sandstone
<br />847.1
<br />6,947
<br />Stable
<br />-9 -10
<br />1,445
<br />1,468
<br />Maxwell roof mudstone
<br />99.8
<br />7,695
<br />Stable
<br />1,454
<br />1,477
<br />Maxwell coal
<br />616.7
<br />7,178
<br />Stable
<br />1,478
<br />1,501
<br />1 Apache coal +Allen coal
<br />644
<br />7,150
<br />Stable
<br />1,492
<br />1,515
<br />1 Allen floor (mudstone )
<br />896.3
<br />6,898
<br />Stable
<br />NE -10 -10 1 1,372 1 1,551 1 Entire saturated section 1 833 1 7,069 1 Stable
<br />•
<br />4164A.110130 Whetstone Associates •
<br />PR 02
<br />Exhibit 8(4) Page 143
<br />Revised 1/31/11
<br />t
<br />948
<br />971
<br />Yellow coal
<br />893.2
<br />6,952
<br />Increasing at 0.73 ft/min
<br />1,010
<br />1,033
<br />Green coal
<br />909.2
<br />6,935
<br />Decreasing at 1.6 ft/min
<br />1,066
<br />1,089
<br />Blue coal
<br />903.5
<br />6,941
<br />Decreasing at 0.29 ft/min
<br />1,105
<br />1,128
<br />Siltstone /mudstone
<br />908.1
<br />6,937
<br />Stable
<br />NE -11 -10
<br />1,148
<br />1,171
<br />Unnamed coal
<br />896.9
<br />6,948
<br />Decreasing at 1.37 ft /min
<br />1,170
<br />1,193
<br />Upper Bingham Canyon coal
<br />900.0
<br />6,945
<br />Stable
<br />1,314
<br />1,337
<br />Maxwell /Red interburden mudstone /sandstone /siltstone
<br />905.7
<br />6,939
<br />Stable
<br />1,347
<br />1,370
<br />Maxwell coal
<br />905.2
<br />6,940
<br />Stable
<br />1,373
<br />1,396
<br />Allen coal + Apache coal
<br />940.2
<br />6,905
<br />Stable
<br />•
<br />4164A.110130 Whetstone Associates •
<br />PR 02
<br />Exhibit 8(4) Page 143
<br />Revised 1/31/11
<br />t
<br />248
<br />261
<br />Mudstone above Red coal
<br />212.1
<br />7,169
<br />Stable
<br />267
<br />280
<br />Red coal
<br />250.1
<br />7,131
<br />Decreasing at 0.22 ft/min
<br />286
<br />310
<br />Mudstone /siltstone /sandstone above Maxwell coal
<br />198.2
<br />7,183
<br />Stable
<br />308
<br />321
<br />Maxwell coal
<br />73.2
<br />7,308
<br />Decreasing at 0.23 ft/min
<br />NE -12 -10
<br />323
<br />346
<br />Siltstone /sandstone /mudstone below Maxwell coal
<br />213.2
<br />7,168
<br />Stable
<br />363
<br />376
<br />Mudstone /siltstone /sandstone
<br />307.2
<br />7,074
<br />Decreasing at 0.76 ft/min
<br />376
<br />400
<br />Siltstone /mudstone above Apache coal
<br />224.9
<br />7,156
<br />Stable
<br />406
<br />419
<br />1 Apache coal
<br />374.5
<br />7,007
<br />Stable
<br />421
<br />434
<br />1 Allen coal
<br />366.3
<br />7,015
<br />Stable
<br />•
<br />4164A.110130 Whetstone Associates •
<br />PR 02
<br />Exhibit 8(4) Page 143
<br />Revised 1/31/11
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