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~ ~~~~~~IIIIIIIIIIIIIIIIIII <br />SNOWMASS COAL COMPANY <br />Mine Ollice' P.O. Box 960 <br />Carbondale, Colorado 87623 <br />(303) 963-3640 <br />Denver O/rice: Suite 2300 <br />410 Seventeenth Street <br />Denver, Colorado 80202 <br />(303) 8261966 <br />January 19, 1984 <br />R~~~ul~ <br />Mr. Robert Liddle ~~ <br />Reclamation Specialist <br />Mined Land Reclamation ~~A~V ";l j,:,~ , <br />Department of Natural Resources I,IINLD Lh'^+n I~Fn; " ,T <br />1313 Sherman -Street, Room 423 . Colo. p~ , r~~l'~~"""^•l~•,rl <br />Denver, CO 80203-2273 PI' r.. ;;;,;.. ~ - <br />,., ~~..c,~•~u <br />SUBJECT: Control and Removal of Canadian Thistle at the North Thompson Creek Mines <br />Dear Mr. Liddle: <br />During the summer and fall of 1983, I began to notice that we are experiencing a <br />large outbreak of Canadian Thistle infestation here at the mine site. As the <br />growing season neared its end, I talked to a number of governmental and private <br />agencies concerning the best method of combating this problem. Some of the con- <br />tacts that were made were with: Stan Woodyard, District Conservationist, Soil <br />Conservation Service; Thomas Colbert, Intermountain Soils; Mark Fuller, Pitkin <br />County Environmental Coordinator; and Michael Long, Reclamation Specialist, Mined <br />Land Reclamation. <br />Every person I contacted agreed that the fastest and most effective method of de- <br />stroying the Canadian Thistle was by spraying each plant with 2-4-D. However, <br />they also stated that this had to be done in the spring before the plants sprouted <br />buds. Because it was too late last year, I let the plants grow. I plan to begin <br />spraying the Canadian Thistle here at the mine site in May of 1984. <br />Each plant will be sprayed with 2-4-D from a hand held sprayer. This will insure <br />that other broad-leafed plants and wildlife will not be affected by the spray. <br />In addition, hand spraying will insure that none of the herbicide will reach <br />North Thompson Creek. <br />After the plants have died, they will be gathered up and burned. Each area where <br />the thistle was present will be monitored during the summer and sprayed again if <br />necessary. <br />I would appreciate any further comments or suggestions concerning this plan prior <br />to its implementation. <br />Sincerely, <br />Scott ones <br />Environmental Coordinator <br />SJ:mgc <br />cc: Michael Long <br />