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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> <br />SURFACE WATER <br />The Gunnison Ready Mix pit is located adjacent to Tomichi Creek about <br />one mile South of Gunnison and approximately one mile East of <br />the junction of Tomichi Creek and the Gunnison River. The pit <br />is generally in the flood plain of Tomichi Creek. <br />Tomichi Creek is a tributary of the Gunnison River with a drainage <br />area of 880 square miles. The drainage basin is mountainous. <br />Principal tributaries are Cochetopa Creek and Quartz Creek. <br />Runoff consists mostly of snowmelt. High flows occur in May and <br />June. <br />GROUND WATER <br />The ground water table is near the surface and almost all of the <br />gravel is saturated. The pit must be dewatered as the excavation <br />proceeds. The saturated stream alluvium has a depth of approximately <br />70 feet. <br />WATER QUALITY <br />Water in Tomichi Creek and the ground water which will fill the <br />lakes is of good quality. It is potable and suitable for fish and <br />wildlife and irrigation. <br />Page 38 of 66 <br />