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The Coal Basin Mine is being reclaimed by the State of Colorado, Division of Minerals and <br />Geology. The mine is located four miles west of Redstone, and is accessed by paved road. <br />Roads on the mine site are improved dirt. <br />The purpose of this project is to accomplish spot control of noxious weeds within certain <br />portions of the Coal Basin Mine as a continuation of a long term weed control strategy. The <br />goal of this application project is to accomplish a 90% mortality rate of the target species, while <br />minimally impacting non - target species. Past weed control efforts have been largely successful. <br />In order to promote revegetation potential of the previously treated areas, spraying will occur <br />twice during the 2002 growing season, once in June and once in September. Some areas will <br />be treated on both occasions, and some will be treated only in September. <br />TASK 1: HERBICIDE APPLICATION <br />General <br />The Project area is approximately twenty (20) acres in size, but it is not contiguous in nature. <br />The attached map shows the approximate locations of noxious weed treatment areas. Most <br />areas have been previously treated. However, individual target plants within each area are still <br />growing. The goal of this application project is to achieve a 90% mortality rate of the target <br />species within the Project Area, while minimally impacting non - target species. This will be <br />accomplished by applying herbicide on two different occasions. <br />The Sutey Refuse Disposal Area and the Huntsman and Bear Creek Project Areas and the Old <br />Refuse Pile Area have been previously reclaimed. Access to these areas will need to be <br />accomplished only by all terrain vehicle, horseback, farm equipment weighing less than 1.5 <br />tons, or by foot. Access by vehicles other than those specified will not be permitted at any area <br />which has been reclaimed. Aerial application is not permissible. <br />Although some of the infested areas are near or adjacent to roads, access to other infested <br />areas may be difficult due to the steepness of the slopes and due to past reclamation activities. <br />In most areas, access by all terrain vehicles is feasible. In other areas, particularly the <br />Huntsman and Bear Creek Project Areas, and portions of the Sutey Refuse Disposal Area, <br />access is limited to foot traffic. Backpack sprayers will likely be used in these areas. <br />The Road A Area, the Sutey Refuse Disposal Area access road and the lower southerly and <br />westerly portion(s) of the Sutey Refuse Disposal Area are accessible to truck traffic. <br />Application Timing <br />The first application of herbicide will begin on June 25, 2002, and MUST be completed by July <br />1, 2002. It is anticipated that the application can be accomplished in no more than seven (7) <br />consecutive working days. The dates may be modified if noxious weeds develop more or less <br />quickly than they typically do at this location. PROJECT MANAGER will provide <br />CONTRACTOR with as much notice as possible of any change in application dates. <br />The second herbicide application will occur in mid - September, and MUST be completed by no <br />later than September 27, 2002. It is anticipated that the application can be accomplished in no <br />more than four (4) consecutive working days. The dates may be modified if noxious weeds <br />develop more or less quickly than they typically do at this location. PROJECT MANAGER will <br />provide CONTRACTOR with as much notice as possible of any change in application dates. <br />3 <br />