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TRAPPER DINING INC. <br />February 20, 1992 <br />CERTIFIED #P568141865 <br />Mr. Kent Gorham <br />Colorado Mined Land Reclamation Division <br />215 Centennial Bldg. <br />1313 Sherman St. <br />Denver, CO 80203 <br />~~C~~~~~ <br />= EB 2 4 1992 <br />Mined Land <br />~eclamatinn n..,:.: , <br />Dear Kent: <br />RE: Supplemental Hydrologic Information (No Name Drainage) for Technical Revision 61. <br />As requested, please fmd enclosed information pertaining to the hydrology and sedimentology model for No <br />Name drainage. Trapper re-ran the model using actual disturbance parameters (as of 12/31/91), and the <br />most current rainfall predictions fora 10-year and 25-year, 24-hour precipitation event The data results <br />indicate the current disturbance has far less impact hydrologically than that permitted as our worst case sce- <br />nario. <br />I hope this information is useful. <br />CM~\FEB?Al <br />Enclosure <br />].M. Mauern <br />file <br />Sin%/ce~r~ely, <br />/~/~"'c~~~ "C <br />William Agnew <br />Mgr. Environmental Quality <br />P.0. Box 187 Craig, Colorado 81626 (303) 824-4401 <br />