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ALBERT F~1 dr SONS, INC. <br />~. SAND AND GRAVEL <br />S <br />~RAI OFFICE6 AND PLANT <br />11571 BRIGHTON ROAD • HENDERSON, COLORADO 8080 <br />1303) 488-3318 <br />area involved. Mowing makes s~rrc~e in tYrose areas wl'rere some <br />c::oritrol is needed after revegetation is complete. It will <br />trot damage the vegetation we need to successfully corrlpletcs+ <br />reclamation. <br />herbicides can be highly effective and safe especially <br />when used .in conjunction with the other mentioned tecYuiiques. <br />Care must be used during treatment of riparian areas to <br />pr•everrt contamination of water sources and off site damage. <br />Since most of the areas we are trying to control weed 9rowtFr <br />in are in close proximity to water sources we must use <br />Herbicides in isolated and controlled application. Another <br />issue that pertains to Frerbicide use is our reclamation plans <br />in relation to the process of revegetation. Care must be <br />taken to prevent herbicides front killing the grasses and <br />vegetation we are planting and maintaining_ American Pride <br />Fertilizer and Chemical Co .. has been very I~elpful ir'r <br />r'-econrruending herbicides that meet these special needs. We <br />see herbicides having a use in those areas where the noxious <br />weeds have invaded area needing revegetation and we are not <br />worried about killing grasses arrd Forbes we have planted. <br />Insects can be used for the long term management of <br />weeds. At present time this niearrs is still experimental and <br />array not be of any use to us at this time. We hav~a been <br />informed that the Gull fly migFrt be effective in managing <br />Kriapweed. We might introduce tyre Gull fly in areas that we <br />Dave completed reclamation, if economically feasible. <br />All of these methods aid in the control of weeds and <br />must be implemented with care and thougFrt. Eacl'r stage ol`' <br />reclamation will determine what types of weed control we use. <br />F=or the short term we will rely on mechanical means and <br />1'rerbicides to control Knapweed and Spurge on un-revegetated <br />areas away from lakes. The combination of mowing and <br />~rpPlication of herbicides will improve the chances of <br />corrtrollin9 these two weeds. TFris type of control will <br />lessen the chances of noxious weed in a new seed bed. Once <br />an area is revegetated; mowing, selective use of herbicides <br />::u+d~enchanted revegetation (cultural) methods will be most <br />desirable. The process of reclamation and maintenance will <br />~~ r"estore the area to a desirable end in the long run. <br />~.~, <br />G. _ <br />