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i-. ~ s <br />Page 2 <br />OBSERVATIONS <br />1. Charles Jackson and Bruce Goff of Climax, along with Fred Banta, <br />Ed Bischoff and Camille Farrell, with MLRD, conducted an <br />orientation inspection of the Henderson Mine and Mill. <br />2. A quick tour of the mill was taken. The mill is operating at <br />approximately 30,000 tons/day. <br />The tailing disposal area was observed. The benched face of the <br />dam was partially topsoiled and partially revegetated. Smooth <br />brume (Bromus inermis), timothy (Phleum spp.), fescue (Festuca <br />spp.), western wi- e frass (A rg opyron smithii), vetch andclover <br />comprised the scant vegetative cover, vi ence of erosion was <br />observed along the bench tops and slopes. <br />4. The tailing pile seepage reports to settling ponds prior to release <br />into the Williams Fork River. Mr. Jackson related that emergency <br />discharges are routed into Old Ute Creek. The seep water's pH <br />measures 6. <br />Climax Molybdenum Company submitted a Technical Revision on <br />April 8, 1988 requesting: 1) an alternative form of bonding, <br />2) establishent of a Reclamation Trust Fund, 3) revision of topsoil <br />replacement depths from 6-18 inches (12 inches average) to 3-9 <br />inches (6 inch average), and 4) relocation of topsoil stockpile <br />areas, road and diversion canal. <br />The Division's May 4, 1988 letter appr <br />bonding and the topsoil stockpile, and <br />relocation. However, consideration of <br />depths was deferred until the Division <br />evaluated the revegetation monitoring <br />I & E Contact Address <br />NAME Charles L. Jackson cc: <br />OPERATOR Climax Molybdenum Company <br />STREET P.O. Box 68 <br />CITY/STATE Empire, Colorado 80438 <br />oved the alternative fortes of <br />road and diversion canal <br />revising topsoil replacement <br />inspected the site and <br />data. <br />0435E <br />