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West Elk Mine 2008 Annual Hydrology Report 35 <br />• Table 6 <br />Summary of the Groundwater Monitoring Well Characteristics <br />• <br />• <br /> <br />Monitoring Well <br />Location Ground <br />Elevation <br />(toc, ft.) Screened <br />Interval Depth <br />(ft) Total Depth <br /> <br />(ft) Formation of <br /> <br />Completion <br />Facility Area Wells and Alluvial Wells <br />GP-3 (MW-8) T13S, R90W, Sec. 10, SW,SW 6145.5 25-30 33.8 Colluvium <br />GP-4 (MW-9) T13S, R90W, Sec. 10, SW,SW 6147.5 25-30 33.0 Colluvium <br />GP-6 T13S, R90W, Sec. 10, SW,SW 6204.8 <br />78-83 <br />83.0 Alluvium <br />(S I. Gulch) <br />GP-7 T13S, R90W, Sec. 15, SW,SW 6205.7 <br />50-55 <br />55 Alluvium <br />(S 1. Gulch <br />RPE-1 T13S, R90W, Sec. 10, SW,SE 6187.0 n.a. 30.0 Colluvium <br />RPE-7 T13S, R90W, Sec. 10, SE,SW 6116.3 12-32 32.0 Colluvium <br />Upper D Fork Alluvial T14S, R90W, Sec. 2, SW,NW 8100 24-29 29 Alluvium <br />Lower Dr Fork Alluvial T13S, R90W, Sec. 33, NE,NW 7640 17.5-22.5 4 22.5 Alluvium <br />Permit Area Wells com feted in the Barren Member above F-Seam <br /> <br />SOM-80 <br />T13S, R90W, Sec. 21, NW,NE <br />6854.4 <br />50-90 <br />142.5 Barren Mbr. <br />Mesa Verde Fm. <br /> <br />SOM-13 <br />T13S, R90W, Sec. 16, SW,NE <br />6761.9 <br />124-188 <br />188.0 Barren Mbr. <br />Mesa Verde Fm. <br />SOM-45-H-1 T13S, R90W, Sec. 29, NE,SW 7703.5 280-320. 320.0 <br />. <br />Barren Mesaverde MbrFm. <br />r. <br /> <br />SOM-45-H2 <br />T13S, R90W, Sec. 29, NE,SW <br />7703.8 <br />160-260 <br />260.0 Barren Mbr. <br />Mesa Verde Fm. <br /> <br />SOM-23-H-4 <br />rT13S,R90W, Sec. 33, NW, NW <br />7518 <br />70-220 <br />225 Barren Mbr. <br />Mesaverde Fm. <br />Permit Area Wells com feted in tl:e F- Seam <br />SOM-2-H T13S, R90W, Sec. 29, SE,NW 7873.6 711.3-716.8 ft.* 716.8 F-Seam <br />SOM-16-H T13S, R90W, Sec. 28, SW,NW 8029.6 1025-1034 ft*. 1034.0 F-Seam <br />SOM C-76 T13S, R90W, Sec. 33, NW,NE 7579.6 444-457*. 457.0 F-Seam <br />SOM-23-H-3 T13S,R90W, Sec. 33, NW, NW 7518 217-232* 232 F-Seam <br />Permit Area Wells com feted in the E-Seam <br />96-27-1 T13S, R90W, Sec. 27, NW,NE 7871.5 1270-1290 1320.0 E-Seam <br />03-11-1 T13S, R90W, Sec. 11, SE,SE 6281 240-250 250 E-Seam <br />SOM-3E T13S, R90W, Sec. 34, SE,SE 8051 1015-1035 1035.0 E-Seam <br />SOM-23-H-2 T13S,R90W, Sec. 33, NW, NW 7518 -356-376 376 E-Seam <br />Permit Area Wells completed above the E-Seam <br />96-2-2 T14S, R90W, Sec. 2, NE,NE 7999.0 1063-1083 1540.0 Above E-Seam <br />Permit Area Wells com leted in B-Seam <br />SOM-129-H T13S, R90W, Sec. 16, NE,NE 6269.1 334-362 365.0 B-Seam <br />So. W-1 T13S, R90W, Sec. 29, NW,SW 8020.0 1320-1380 1380.0 B-Seam <br />RAV-4b T13S, R90W, Sec. 15, SE,SW 6687.0 600-625 630.0 B-Seam <br />01-11-1 T13S, R90W, Sec. 11, SE,NE 6281.3 489-499 509.0 B-Seam <br />SOM-313 T13S, R90W, Sec. 34, SE,SE 8051 1294.5-1315 1415.0 B-Seam <br />SOM '23-H-1 ? Y <br />11 14 If T13S`R90W, Sec. 33, NW, NW 7518 587-604* 604 B-Seam <br />- -can uc eLeu irviu uwnuuring program oecause casing is damaged, blocked, or has collapsed <br /> <br />June 2009 HydroGeo, Inc.