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Because the riparian area along the Colorado River is identified as important, the mining limits <br />are setback from the River a minimum of 100 feet. Also the mining occurs outside of the 100- <br />year floodplain. <br />The applicant has retained the services of wildlife biologist, Kirk Beattie, to monitor the <br />activities of the eagle pair and the heron during nesting season and to document any disturbances <br />to the birds from our existing Mamm Creek operation. The lack of any observed impacts to date <br />and the distance of the North Bank operation from the nests, indicate that no disturbances will <br />result. <br />The mining operation will remove substantial non-native vegetation on the site now. The <br />reclamation plan will install recommended seed mixes for our beneficial land use. A weed <br />control plan will be implemented, which will result in a decrease on noxious weeds on the site. <br />All cottonwood and willow trees in the setback and non-mined areas will be retained. <br />With the gravel processing plant for this material remaining on the south side of the River, <br />customary disturbances (noise and visual) of a gravel operation will not occur here. <br />The lakes and shoreline included in the reclamation plan will result in an overall increase of <br />wildlife habitat and opportunities for more variety of wildlife, than the pastureland now on the <br />site. <br />18. As part of the permit application, Appendix D, Lafarge supplied an "example weed <br />management plan" from Mamm Creek. Lafarge is fully aware that Russian Olives and Tamarisk <br />were added to the noxious weed list and once Lafarge ahs an approved CORP permit, seed <br />mixture, and reclamation plan, Lafarge will submit a site specific wed management plan that <br />addresses all of the concerns of the various permitting agencies. <br />6.4.12 EXHIBIT L -Reclamation Costs <br />19. De-watering the pits -See Item No. 2 and 3 above. <br />Cost for dewatering on a monthly are expected to be as follows: <br />Pump rental: $2,500 <br />Diesel: $1,800 <br />Labor: $1,000 <br />TOTAL $5,300 <br />For estimation of the bond, a 3-month charge would be $15,900. <br />Revegetate reclaimed mining face. Other than for the initial opening of the pit, <br />reclamation will occur concurrently with mining. Once the initial pit in Cell A has progressed <br />sufficiently to the east to allow room for operating, overburden from new areas to be mined will <br />5757 Central Avenue ~ Phone 303-443-2209 <br />Boulder, Colorado 80301 GusTAVSON ASSOCIATES Fax: 303-443-3156 <br />