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6. Post-Reclamation Site Drainage <br /> The site will drain intemally following reclamation in all areas except for the eastern boundary <br /> connected with the adjacent gravel pit. Areas that have already been reclaimed will retain the same <br /> drainage that stays within the excavation area. <br /> 7. Revegetation Success Criteria <br /> Revegetation will be deemed adequate when erosion is controlled, the vegetation cover matches <br /> neighboring rangeland areas, and when it is considered satisfactory according to Division <br /> standards. This will be monitored in the two years following the completion of reclamation. <br /> 8. Weed Control <br /> Measures will be employed for the control of any noxious weed species. The objective of this weed <br /> management plan is to control undesirable plants on the Spring Creek property. Plants identified <br /> through the Colorado Noxious Weed Act (C.R.S 35-5.5) and the Montrose County Noxious Weed <br /> List as undesirable and designated for management within the county will be removed. These <br /> plants identified as noxious weeds will be managed by control measures. A Weed Control Plan will <br /> be utilized as follows: <br /> 1) Each April, a weed survey will be taken of the permit area. <br /> 2) If any patches or plants have been identified, they will be sprayed by backpack sprayer or 4- <br /> wheeler using chemicals approved for use by the weed control staff of Montrose County. <br /> 3) After reclamation, weed surveys and spraying will continue until the perennial cover and <br /> production of the site have met DRMS requirements and bond release has been obtained. <br /> The Division and Montrose County staff will be consulted regarding any weed infestation areas and <br /> any control measures prior to their initiation. The plan does not contemplate total weed removal on <br /> the property. Past experience has shown that some initial weed cover in the first year following the <br /> retopsoiling is beneficial to the reclamation effort in rangeland sites. Weeds tend to provide shade <br /> for new grasses, are a means of holding snow on the seedbed longer, and protect seedlings from <br /> wind and water erosion until the planted species have firmly taken hold. <br /> During all phases and areas of the mining operation the permit area will be monitored closely every <br /> year, through which the operator may determine if any additional weeds have grown. If any new <br /> species of weeds are found, Montrose County and the Division will be consulted in order to <br /> formulate the best plan for the new infestation. <br /> 9. Monitoring Reclamation Success <br /> Monitoring reclamation on an ongoing basis will allow minor revisions to assure efficient and <br /> successful reclamation. The operator plans to use the local NRCS office to assist in determining <br /> the ability of the reclaimed land to control erosion. If minor changes or modifications are needed to <br /> the seeding and reclamation plan, revision plans will be submitted to the Division as required. It is <br /> Spring Creek Pit <br /> September 2021 E-4 Lewicki&Associates <br />