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3.6 REVEGETATION PLAN <br />• <br />Trapper Mine's revegetation plan is designed to reproduce the premine land uses <br />in accordance with established and developing reclamation technology. Distinct- <br />ively different revegetation procedures will be used for different areas within <br />the proposed permit area in accordance with varying land use potentials and abio- <br />tic influences. Three different kinds of areas are perceived to occur within the <br />proposed permit area that require different revegetation procedures. These areas <br />are; 1) cropland, 2) rangelands dominated by mountain shrubs before mining, and <br />3) rangelands dominated by sagebrush and grass before mining. These areas are <br />described in detail in Section 2.3. <br />All disturbed areas are returned to the approximate original contour as described <br />in Section 3.5. However, slopes, evenness of terrain, rockiness, seedbed prepar- <br />ation and seeding or transplanting have varying criteria as will be explained in <br />this section. <br />• 3.6.1 Major Revegetation Issues for Trapper Mine <br />Revegetation will be dependent upon numerous site specific factors and the objec- <br />tives of the reclamation program. Based on site experience and literature of the <br />region, the major issues of concern at Trapper Mine for achieving successful <br />revegetation have been identified as being: soil depth and soil quality; erosion <br />potential: plant species diversity, and shrub reestablishment. <br />3.6.1.1 Soil Depth and Quality <br />Reestablishing a suitable plant growth medium will be one of the most important <br />factors for successful reclamation at Trapper Mine. Both the depth and quality <br />of a growth medium can have critical influences on plant establishment, survival <br />and production. These in turn will ultimately impact the land use. <br />• 3-51 <br />