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• 1fyd~ofogic Moniroruig Activities • total suspended solids, total iron, and total manga- nese. Results of the sampling efforts arc summa- ri2ed in Appendix H. Hydrographs depicting water levels from 1978 to the present have been included as Appendix ]. Minimum and maximum compari- sons are presented in Appendix E. sampling. Neither water Icvcl or quality samples were acquired from wells SOM-38-H2 and SOM- 38-H3. Casings of these wells were damaged before the 1990 water year (probably by local subsidence). In addition, both wells are apparently in contact with the mine ventilation system. Water level and sampling records for water year 1990 were wmplete (or nine wells. Water in 12 well's was either nonexistent or insufFicient for The SOM 128H well was not sampled for water quality during the 1990 water year. This well was established and developed near the end of the Table 4 Summary of the Groundwater Monitoring Progrnm at the Mt. Gunnison No. L Mlne Well Water Level Field Water Quality Lab Water Quality Facility Area Wells and Alluvial Wells SG-1 3 times per year GP-1 3 times per year GP-3 3 times per year GP-4 3 times per year GP-5 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year Monthly Facility Area Well Completed in the Rollins Sandstone just below the "B" Seam SOM-128-H Monthly Monthly Permit Arca Wells Completed in the Barren Member Above the "F' Seam B-32 3 times per year 3 times per year SOM-80 3 times per year 3 times per year SOM-13 3 times per year 3 times per year SOM-38-H1 3 times per year 3 limes per year SOM-38-H2 3 times per year 3 times per year SW-1 3 times per year 3 times per year SW-2 3 times per year 3 times per year SW-3 3 times per year 3 times per year SW-4 3 times per year 3 times per year SW-5 3 times per year 3 times per year SW-b 3 times per year 3 times per year Study Area Wells Completed i n the "F" Scam SOM-2 3 times per year 3 times per year SOM-16 3 times per year 3 times per year SOM-38-H3 3 times per year 3 times per year Permit Area Wells Completed in the "B" Seam C-72-H 3 times per year 3 times per year SOM-127-H 3 times per year 3 times per year Permit Area Well Completed in the "E" Seam SOM-23-H2 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year 3 times per year