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Weed Control Plan <br />TECHNICAL REVISION <br />(Submitted to Colorado Division of Minerals and Geology) <br />Date: May 11, 2000 <br />Mine Name: DDD Mine <br />County: Elbert <br />Mine ID#: M -84 -076 <br />Operator: Robinson Brick Company <br />Inspector: Tony Waldron <br />Date of Complaint: October 26, 1999 <br />Inspection Date: October 26, 1999 <br />Date Weed Control Plan required: February 28, 2000 <br />In response to the Inspection Report prepared by Tony Waldron at the Division upon completion of the <br />October 26, 1999 Division inspection, Robinson Brick Company submits the following weed control plan. <br />This plan will serve as the basis for diffuse knapweed weed control during the 2000 field season and <br />beyond as and if required. <br />Methodology ■ <br />RECEIVED <br />FIAY 24 2000 <br />Division of*Ms Geology <br />Areas infested with diffuse knapweed within the DDD mine permit boundaries will be sprayed by a <br />contractor experience in these matters. The liquid application will consist of 1 pint Torden/acre and 1 <br />pound 2.4 D /acre. Currently, during the 2000 field season, it is estimated that approximately 20 - 60 acres <br />will be sprayed. <br />A contractor will be scheduled to start spraying during late May or early June, 2000, weather permitting. <br />The results from this initial spraying will be evaluated later in the summer of 2000 and secondary steps, if <br />necessary, will be taken as required. <br />During the early spring on an annual basis, Robinson Brick Company will inspect the DDD Mine permit <br />area to deteliuineif additional spraying or other weed control measures, such as mowing, are required. If a <br />knapweed problem continues, Robco, will take whatever reasonable steps are necessary to eliminate these <br />problems. If, for whatever reason, Robco is not able and/or successful in controlling the knapweed <br />problem at the DDD mine, Robco will contact the Division for further assistance. <br />