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RECEIVED <br />United Companies <br />Weed Control Program MAY 2 6 2005 <br />Revised April 2005 <br />Division of Minerals and GeolaOY <br />As part of United Companies' program to maintain our operating sites and reclaim gravel <br />pit sites, control of weeds is an important aspect of our effort. Primarily this program <br />tazgets plants that have been classified as noxious weeds by the State of Colorado and the <br />Counties where United Companies operates facilities. This program also includes a new <br />section to comply with a recent amendment to the Division of Minerals and Geology <br />Weed Policy concerning Tamarisk and Russian Olives. <br />According to State law (CRS 35-5.5, The Colorado Weed Management Act), noxious <br />weeds must be managed. Integrated Weed Management is a strategy that has been <br />suggested as the structure for control programs. The elements of this approach include: <br />- Preventing the encroachment of noxious weed species into un-infested areas. <br />- Detecting and eradicating new weed species. <br />- Containing large-scale infestations. <br />- Controlling large-scale infestations using an integrated approach. <br />- Revegetation. <br />Our sites in Mesa County as well as our sites in other counties have active control <br />measures for noxious weed species. Our program consists of a competent qualified <br />weed control specialist treating each location twice a year. During the Spring herbicide <br />applications will be targeted at Hoary Cress as well as the other plants on the list that may <br />be present. Later, during the ]ate Summer/early Fal] herbicide applications will target the <br />knapweed species plus others we may have sprayed for in the spring.. Tamarisk and <br />Russian Olive will also be treated. <br />Tamarisk & Russian Olive <br />Management Plan <br />The Mined Land Reclamation Board adopted an amendment to their weed policy <br />concerning Tamarisk and Russian Olive on January 19, 2005. The amendment is <br />applicable to areas disturbed by mining operations within the permit boundaries <br />reclaimed after January 19, 2005. Areas in reclamation prior to January 19, 2005 aze <br />exempt from tamarisk/Russian Olive control as far as Division of Minecals and Geology <br />policy is concerned. <br /> <br />