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Mayo and Associates, LC <br />Member, which is separated from mine working by the Storrs Member and the <br />intervening Mancos Shale, the potential impact of mining activities on spring discharge <br />Table 3 Hydraulic conductivities of sandstone channels, shale, and shoreline <br />sandstone of lower Mesaverde Group rocks. <br />Sandstone Channel Shale <br />vertical horizontal vertical horizontal # sites method Reference <br />Location/Mine (ft/day) (ft/day) (ft/day) (ft/day) <br />Trail Mountain 3.8 x 10-3 1.3 x 10-2 1.0 x 10-7 1.2 x 10-6 7 permeameter Lines 1985 <br />Various Wasatch Plateau 2.4 x 10-5 permeameter Mayo et al., 2003 <br />Foreshore and Shoreface Shoreline Sandstone <br />vertical horizontal Formation/ <br />(ft/day) (ft/day) Member <br />Trail Mountain 4.3 to 37.2 x 10-2 Spring Canyon <br /> 3.5 x 10-2 Spring Canyon <br />Co-Op 1.2 to 14.6 x 10-2 Spring Canyon <br /> 0.8 to 3.1 x 10-2 Storrs <br /> 2.5 to 73.2 x 10-2 Panther <br />Genwal 3.8 to 6.4 x 10-3 Spring Canyon <br /> 5.4 to 6.4 x 10-3 Panther <br />Various Wasatch Plateau 1.0 to 55 x 10-2 Star Point <br />West Elk 2.4 to 16. 1 x 10-4 Rollins <br /> 3.0 to 13.0 x10-2 Rollins <br />2 slug test Semborski, 1994 <br />1 slug test Bills 2000 <br />3 slug test Earthfax Eng. 1992 <br />2 slug test Earthfax Eng. 1992 <br />3 slug test Earthfax Eng. 1992 <br />3 slug test Mayo and Assoc., 1997b <br />1 Mayo and Assoc., 1997b <br />108 permeameter Holman, 2001 <br />11 permeameter Mayo and Koontz, 2000 <br />4 permeameter Mayo and Koontz, 2000 <br />Evaluation of Potential Groundwater Inflows 21 February 24, 2004 <br />Associated with E Seam Mining, <br />West Elk Mine, Somerset, Colorado <br />