|
West Elk Mine 2013 Annual Hydrology Report 33
<br />Table 6. Summary of the Groundwater Monitoring Well Characteristics
<br />Monitoring Well
<br />Location
<br />Ground
<br />Elevation
<br />toc, ft.
<br />Screened
<br />Interval Depth
<br />ft
<br />Total Depth
<br />(ft)
<br />Formation of
<br />Completion
<br />Facility Area Wells and Alluvial Wells
<br />GP -3 (MW -8)
<br />T13S, R90W, Sec. 10, SW,SW
<br />6145.5
<br />25 -30
<br />33.8
<br />Colluvium
<br />P -4 (MW -9)
<br />T13S, R90W, Sec. 10, SW,SW
<br />6147.5
<br />25 -30
<br />33.0
<br />Colluvium
<br />P -6
<br />T13S, R90W, Sec. 10, SW,SW
<br />6204.8
<br />78 -83
<br />83.0
<br />Alluvium
<br />(S 1. Gulch)
<br />GP -7
<br />T13S, R90W, Sec. 15, SW,SW
<br />6205.7
<br />50 -55
<br />55
<br />Alluvium
<br />(S 1. Gulch)
<br />E -1
<br />T13S, R90W, Sec. 10, SW,SE
<br />6187.0
<br />n.a.
<br />30.0
<br />Colluvium
<br />E -7
<br />T13S, R90W, Sec. 10, SE,SW
<br />6116.3
<br />12 -32
<br />32.0
<br />Colluvium
<br />Upper Dry Fork Alluvial
<br />T14S, R90W, Sec. 2, SW,NW
<br />8100
<br />24 -29
<br />29
<br />Alluvium
<br />Lower Dry Fork Alluvial
<br />T13S, R90W, Sec. 33, NE,NW
<br />7640
<br />17.5 -22.5
<br />22.5
<br />Alluvium
<br />Permit Area Wells completed in the Barren Member above F -,Seam
<br />SOM -80
<br />T13S, R90W, Sec. 21, NW,NE
<br />6854.4
<br />50 -90
<br />142.5
<br />Barren Mbr.
<br />Mesa Verde Fm.
<br />SOM -13
<br />T13S, R90W, Sec. 16, SW,NE
<br />6761.9
<br />124 -188
<br />188.0
<br />Barren Mbr.
<br />Mesa Verde Fm.
<br />S M -45 -H1
<br />T13S, R90W, Sec. 29, NE,SW
<br />7703.5
<br />280 -320
<br />320.0
<br />Barren Mbr.
<br />Mesaverde Fm.
<br />SOM -45 -H2
<br />T13S, R90W, Sec. 29, NE, SW
<br />7703.8
<br />160 -260
<br />260.0
<br />Barren Mbr.
<br />Mesa Verde Fm.
<br />S M- 23 -H4'
<br />T13S,R90W, Sec. 33, NW, NW
<br />7518
<br />70 -220
<br />225
<br />Barren Mbr.
<br />Mesaverde Fm.
<br />Permit Area Wells completed in the F -Seam
<br />SOM -2 -H
<br />T13S, R90W, Sec. 29, SE,NW
<br />7873.6
<br />711.3- 716.8*
<br />716.8
<br />F -Seam
<br />SOM -16 -H
<br />T13S, R90W, Sec. 28, SW,NW
<br />8029.6
<br />1025 -1034*
<br />1034.0
<br />F -Seam
<br />SOM C -76
<br />T13S, R90W, Sec. 33, NW,NE
<br />7579.6
<br />444 -457*
<br />457.0
<br />F -Seam
<br />S M- 23 -H -3
<br />T13S,R90W, Sec. 33, NW, NW
<br />7518
<br />217 -232*
<br />232
<br />F -Seam
<br />Permit Area Wells completed in the E -Seam
<br />9627 -1
<br />T13S, R90W, Sec. 27, NW,NE
<br />7871.5
<br />1270 -1290
<br />1320.0
<br />E -Seam
<br />3 -11 -1
<br />T13S, R90W, Sec. 11, SE,SE
<br />6281
<br />240 -250
<br />250
<br />E -Seam
<br />S M -3E
<br />T13S, R90W, Sec. 34, SE,SE
<br />8051
<br />1015 -1035
<br />1035.0
<br />E -Seam
<br />S M- 23 -1-1-2
<br />T13S,R90W, Sec. 33, NW, NW
<br />7518
<br />-356 -376
<br />376
<br />E -Seam
<br />Permit Area Wells comp leted above the E -Seam
<br />6
<br />2 -2 T14S, R90W, Sec. 2, NE,NE 7999.0 1 1063 -1083 1540.0 Above E -Seam
<br />Permit Area Wells completed in B -Seam
<br />S M -129 -H
<br />T13S, R90W, Sec. 16, NE,NE
<br />6269.1
<br />334 -362
<br />365.0
<br />B -Seam
<br />So. W -1
<br />T13S, R90W, Sec. 29, NW,SW
<br />8020.0
<br />1320 -1380
<br />1380.0
<br />B -Seam
<br />V -4b
<br />T13S, R90W, Sec. 15, SE,SW
<br />6687.0
<br />600 -625
<br />630.0
<br />B -Seam
<br />1 -11 -1
<br />T13S, R90W, Sec. 11, SE,NE
<br />6281.3
<br />489 -499
<br />509.0
<br />B -Seam
<br />S M -3B
<br />T13S, R90W, Sec. 34, SE,SE
<br />8051
<br />1294.5 -1315
<br />1415.0
<br />B -Seam
<br />S M- 23 -H -1
<br />T13S,R90W, Sec. 33, NW, NW
<br />7518
<br />587 -604*
<br />1 604
<br />B -Seam
<br />Shaded cells indicate wells with compromised, blocked, or collapsed casing.
<br />On May 1, 2013, the casing in Well SOM- 23 -H -4 was found to be collapsed at about 83 feet below ground surface. Future monitoring of
<br />this well will not be possible.
<br />June 2014 HydroGeo, Inc.
<br />
|