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Technical Revision <br />Weed Control Plan <br />Specific Emphasis on Tamarix and Russian Olive <br />Daniels Sand Pit #2 <br />Continental Materials <br />(Transit Mix Concrete) <br />Permit M-1973-007 <br />Background: Under policy established by the Mined Land Reclamation Board and which <br />became effective on January 19, 2005, Tamarix and Russian Olive is to be controlled on mining <br />operations as a part of the weed management requirements and efforts. This is essentially a <br />refinement to the already existing weed control requirements. This technical revision is intended <br />to address this issue for the above stated operation. (Note: This revision is submitted as a no-fee <br />revision. It is our understanding that technical revisions submitted prior to June 27, 2005, that address this <br />issue do not require a technical revision fee.) <br />Situation on this site: Tamarix is known to occur along Fountain Creek and its tributaries in <br />the Colorado Springs area. Although little Tamarix has been found specifically associated with <br />this site, some portions of the permit azea for this operation aze highly susceptible to Tamarix <br />invasion. This particularly pertains to the wash plant azea and the wash sediment basins. Other <br />areas on the site where moisture is abundant are also subject to Tamarix invasion. <br />Perhaps of greater concern is Russian Olive. This species also occurs along Fountain <br />Creek and it tributaries and in higher abundance than Tamarix. This operation is also highly <br />susceptible to invasion by this species. It is known to occur in nearby adjacent lands where <br />moisture is abundant and is also used as a landscape plant in some adjacent aeeas. Because this <br />species is highly utilized by birds, as well as squirrels, for food, long range seed dispersal is <br />common. <br />Control Plan: <br />Controls During Mining - The site will be inspected on an annual basis in an effort to <br />find any plants of these two species (along with any other noxious weeds). If found, they will be <br />removed at that time. If the plants aze growing in an active sediment basin and are located such <br />that access is not available, the plants will be removed when access is available. This action is <br />based on the weed control principle that acting quickly when an undesirable species is found is <br />the best line of defense to prevent widespread infestations. <br />Daniels Sand Pit #2 Tamarix/Rus Olive Control M-1973-007 Page 1 of 2 <br />