Laserfiche WebLink
West Elk Mine <br />2.04 -64 Rev. 06/05- PR10, 03/06- PR10, 04/06- PR10, 09/07- PR12; 05/22- MR462 <br /> <br /> <br />Sylvester Gulch and the Bear Mine. The absence of appreciable spring discharges further <br />supports the idea that the Bowie Sandstone is not saturated. <br /> <br />As mentioned above, the current groundwater monitoring program can be found in Exhibit 71 <br />and the results of monitoring in AHRs. <br /> <br />Pumping tests were conducted in monitoring wells completed in the alluvium, colluvium, the <br />Barren Member, Lower Coal Member, and Upper Coal Member of the Mesaverde Formation. <br />Pumping test data from these wells are contained in Table 5. Also see discussions in Exhibits 17 <br />and 18. <br /> <br />Table 5 <br />Summary of Pumping Test Data <br /> Well <br />Date of <br />Test <br />Geologic <br />Unit Tested <br />Hole <br />Type <br />Pumping <br />Rate Yield <br />Estimated <br />Transmissivity <br />SOM C76 10/18/75 F Seam Cased 3 gpm 0.012 gpm/ft. 16.68 gpd/ft. <br />SOM C76A(1) 10/29/75 F Seam & Barren <br />Member <br />Cased 3 gpm 0.012 gpm/ft. --- <br />SOM 22-H-2 09/25/74 Barren Member Cased 0.75 gpm 0.003 gpm/ft. 2.46 gpd/ft. <br />SOM 22-H-3 05/19/75 F Seam Cased 1 gpm --- --- <br />SOM 64 07/30/74 Barren Member Open 0.75 gpm 0.005 gpm/ft. --- <br />SOM 55 06/11/74 Barren Member Open 0.75 gpm 0.005 gpm/ft. --- <br />SOM C35 --- F Seam Cased --- Dry Hole --- <br />SOM 23-H1 10/08/74 B Seam Cased 1 gpm --- --- <br />SG-1 11/11/76 Sylvester Gulch <br />Alluvium <br />Cased 1 gpm --- 121 gpd/ft. <br />R-1 11/01/75 Rollins Sandstone Open 3 gpm --- --- <br />R-1 05/26/76 Lower Coal Member(2) Cased 120 gpm 3.3 gpm/ft. 1723 gpd/ft. <br />AL-1 05/27/76 North Fork Alluvium Cased 17.4 gpm --- 498 gpd/ft. <br />SOM 23-H2 10/09/74 E Seam Cased 0.6 gpm --- --- <br />Notes: <br />(1) Same hole as C76 only open to Barren Member and F Seam <br />(2) Suspected connection with North Fork Alluvium <br /> <br /> <br /> <br />Slug tests were also conducted in monitoring wells completed in the alluvium, colluvium, the <br />Barren Member, Lower Coal Member, and Upper Coal Member of the Mesaverde Formation. Slug <br />test data from these wells are contained in Table 6. Also see discussions in Exhibits 17, 18 and 18B.