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<br /> <br /> <br />' Suitable topsoils are discussed by quality, also. Higher <br /> quality, upper horizons of Class 1 and 2 soils could be <br />' stockpiled separate from the lower quality materials and <br /> used as a top dressing during reclamation. <br /> <br /> Class i <br />' These soils are deep or very deep with fair to good <br /> suitability as a plant-growth medium. Depth of topsoil <br />' material is greater then 40 inches. These soils have loamy <br /> or fine textured surface and subsurface horizons which are <br /> i <br />h i <br />t <br />Thi <br />0 i <br />h <br />h <br />it <br />i <br />f h <br /> r <br />c <br />n organ <br />c ma <br />ter. <br />s upper 5 <br />nc <br />qual <br />y <br />es o <br />ig <br />' soil would be excellent as a top dressing during final <br /> reclamation. It has the most desirable characteristics for <br />' seedbed material. This layer is high in organic matter, native <br /> plant seeds, and is generally rated good in all chemical <br /> and <br />h <br />al <br />hara <br />teristi <br />s <br />A six-in <br />h la <br />er of this soil <br />i <br /> ys <br />. <br />y <br />p <br />c <br />c <br />c <br />c <br />c <br />' placed on the surface of reclaimed land would greatly enhance <br /> seed germination success and plant establishment. <br />' The Class 1 soil series in the survey area is Lamphier <br /> loam. These soils predominantly have loam A horizons and <br />' fine sandy loam C horizons. They are well drained with <br />' moderate permeability. They are nonsaline and mildly alkaline <br /> throughout their profile. Wind and water erosion hazard is <br />' low. Tilth at optimum moisture is fair to good. The potential <br /> for compaction is moderate to high. Soil structure has fair <br />' to good stability against wet slumping. Crusting potential <br />1 <br />' - 19 - <br />