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.. .,.. <br />Cyprus Orchard valley Mine <br />West Ridge Waste Pile <br />Access Road Culvert Design Characteristics <br />Required <br />Location 100-yr Culvert Headwater <br />Discharge Diameter <br />(cfs) (in) (ft) <br />-------------------------------------------------------- <br />N-1 74.4 2-36 3.3 <br />Depth <br />w/ 1' <br />Freebd. <br />(ft) <br />4.3 <br />