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West Elk Mine <br />• Table 44 Sylvester Gulch Water Rights <br />Name of Right Appropriation Adjudication Case District Decreed <br />(Structure) Date Date Amount (1) No. Priority No. Use (2) <br />Walter Gallob 06/01/1908 08/16/1936 0.75 3503 J-126 I <br /> absolute <br />Chipmunk 06/10/1917 OS/28/1937 0.9 - 2563 H-109 <br />Ditch absolute <br /> 06/01/1937 03/20/1954 0.57 5080 J-226 I <br /> absolute <br />TonyBeaz 03/20/1954 06/01/1937 0.43 5080 J-226 M,D <br />Pipeline absolute <br />Notes: <br />Q) MCC owns 100%ofeach decree. <br />(2) D = Domestio I = hrigation M =Mining <br />1. Streamflow -Normally, the limited natural runoff from this azea (estimated at 200 acrefeet <br />• per squaze mile per year for water rights purposes) does not reach the North Fork except <br />during high snowmelt or rainfall-runoff periods (when there is no "call" for water in the <br />river). Furthermore, as discussed in Section 2.05.6 (3)(b)(iii & viii), Streams, surface flow <br />losses will be small. A conservative projection of the average annual streamflow "lost" to <br />crack infiltration in the North Fork drainage is less than one acre-foot. The losses that do <br />occur (as a consequence of infiltration into surface cracks) will eventually be discharged to <br />the North Fork as either springs/seeps or shallow groundwater return flow. MCC <br />recognizes that this may affect the "timing" of discharges into the North Fork, but the key <br />point is that water will be returned to the river. Also, as described later in this section, <br />given the large fault inflows in 1996 and eazly 1997, MCC has been a significant net <br />exporter of water to the river. <br />2. Springs -As discussed at length in Section 2.05.6 (3) (b) (iii & viii) Springs/Seeps, there <br />aze no springs in the Apache Rocks and Box Canyon permit revision azeas which are <br />within the fracture zone above the B-Seam or the combined caved/fractured zone above the <br />B and E-Seams. As such, no spring flow is expected to be lost to the mine workings. <br />Surface cracks could disrupt some of the colluvial springs, but this would ultimately result <br />in the downgradient displacement of the flows, and there would be no loss to the river. <br />3. Groundwater -There is extensive discussion in Section 2.OS.6(3)(b)(iii & viii), <br />Groundwater Quantity Effects, on groundwater impacts including fault system inflows and <br />underground storage of water. There aze no "aquifers" in the current permit azea. Most of <br />• the groundwater resulting from primary porosity occurs in small, discontinuous "lenses." <br />1.05-771 November 1004 PR! / <br />