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SSS <br />To' D.~tG <br />Eraw+:United Companies ~ <br />Noxious Weed Control Program '~ <br />Revised Apri12005 <br />a ,,i . . <br />JUN 2 0 1DD5 '~ <br />Pit No. 3, Permit No. M-1977-022, TR-03 D'vt~Sedrae ®t ~nvraE:, ;~ x„~,~i„4rr <br />P,~K l2 ~s~Oo~se ~ <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 />targets 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 weed <br />control specialist treating each location twice a year. Shown below is our weed treatment <br />schedule. <br />Timing for weed control bytes ecies &growth stye. <br />a. Horey Cress -Spring. When plants are pre bolt to early bloom and fall during <br />during any regrowth. Herbicide: Excort XP. <br />b. Russian Knapweed -Spring from bolt to bud and fall at root bud growth <br />stage. Herbicide: Redeem R & P. <br />c. Perennial Pepperweed -Spring at bolt to pre-bloom and fall at root bud <br />growth stage. Herbicide: Escort XP. <br />Tamarisk & Russian Olive <br />Management Plan <br />'T <br />~c~'~`/ <br />o,,,,s~~ ~GN ~~ <br />a,~ ?~~' <br />.gPla` <br />sa <br />9~ <br />ce% <br />9p <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 applies to <br />all affected areas of a mine site that were not reclaimed prior to January 19, 2005. This <br />