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Seedbed Preparation. Seedbed preparation measures will generally not be practiced on reclaimed areas. • <br />Dired hauling of topsoil is the preferred method of topsoil replacement. In addition, invading native species <br />will be present on reclaimed areas topsoiled from stockpiles. Seedbed preparation such as disking on the <br />contour may reduce germination or establishment of desirable native plant species in these topsoiled areas. <br />Rangeland drills are used for seeding operations and this type of equipment is able to handle the rough field <br />conditions left by the scraper fleet repladng topsoil. <br />Seedbed preparation by tillage will be considered in the following situations. Offset disking on the contour <br />will be used in areas where excessive surface compaction has occurred during topsoil replacement, where <br />surface roughness is too severe to complete seeding operations, or in cempaded non-topsoiled temporary <br />reclamation. In addition, areas with excessive weeds or undesirable vegetation growth may be controlled by <br />mechanipl tillage using offset disking on the contour. In shrub establishment areas, competing herbaceous <br />vegetation may be controlled or eliminated by contour disking operetions prior to shrub seeding or planting. <br />The shrub establishment areas will be idenffied in the field and tillage will be concluded a sufficlent number <br />of times during the growing season to control vegetation. - <br />Controlling weeds or other competing vegetation in seeding or shrub planting areas may also be cerried out <br />through the use of chemical herbicdes. Large scale use of herbicides is not being promoted; however, they • <br />have a high level 'of utility when controlling problem perennial weeds in permanent revegetation areas <br />requiring reseeding, or where surface stability in a shrub establishment area is critical. Any herbicides used <br />will be based on recommendations in the most current Colorado Weed Control Guide issued by the <br />Colorado State University Cooperative F~ktension Service. Prior to the application of any herbiclde, approval <br />of their use will be requested from CDMG. The herbicdes will be registered for the use intended and will be <br />applied by certified applicators with stdd adherence to the label. See Appendix 13-14, Weed Management <br />Plan, for additional information on the weed control program. <br />Seed Mixes and Plantino Lists. Two seed mixes have been developed far permanent revegetation. <br />Complimenting the seed mixes used in permanent revegetation are lists of tree and shrub seedlings to be <br />used in concentrated planting areas on the mine permit area. A shrub seeding list, temporary stabilization <br />mix, and a list of annual grains to be used for cover kxopping complete the lists of plant matedals to be used <br />in the various revegetation activities. <br />Initial considerations in the development of the pernaneM mixes and seedling lists included the antidpated <br />reclaimed area site conditions and the desired revegetation communities. Speclfic goals used to develop <br />the permanent seed mixes and seedling lists included rapid and long-term surface stabilization, ease of • <br />establishment, maximum use of native species, adequate species diversity, high levels of utility for livestock <br />TR-37 13-10 Revised 04/O5~ <br />