Laserfiche WebLink
To consider the necessity to reclaim relatively small portions of the landscape in a <br />phased, sequential fashion (for the purpose of minimizing visual and <br />environmental impacts). <br />• To control nonnative plant species. <br />• To control erosion caused by runoff and wind. <br />soil Salvage <br />goal of topsoil salvage operation is to keep the soil alive, weed-free, and protected <br />damage until it can be returned to the restoration site for planting or seeding. <br />the purposes of salvage, topsoil is generally defined as the upper 6 to 12 inches of <br />er material. Below this depth biological activity is usually limited. Sub soils, or <br />rburden, shall be stored separately from top soils so that they can be re-spread first <br />ire the topsoil is placed as the uppermost layer. <br />soil shall be salvaged when moist, but not wet. Salvage of wet soils, particularly <br />se with fine texture, often severely damages or completely destroys soil structure. The <br />rlt is a giant "mud pie" that may dry as a massive brick. Salvage of completely dry <br />soil may also damage soil structure, though not as severely, and will result in nearly <br />nnlete loss of living plant material. <br />oil should be stored less than one year and in a weed-free location. Storage piles <br />be shallow (less than 2 feet is optimal) to leave more of the soil exposed to air. <br />ipsoil shall be sown with a protective sterile cover crop such as Regreen (sterile wheat <br />wheatgrass cross) or milo. <br />Mining Site Configuration <br />e removal of product is complete, overburden will be distributed into place to create a <br />lting topography that is gently sloping and fairly irregular, to mimic and integrate <br />the surrounding landscape. The sub-soils shall be scarified to a depth of 6 to 12 <br />ies prior to replacing the topsoil. <br />manner in which the topsoil is returned to the site is just as important as the way it is <br />aged and stored: <br />• Top soil shall be placed only when there is an assurance that the area will be <br />seeded within a few days. <br />• Topsoil shall be replaced with a minimum number of machine passes. Project <br />supervisors should accept variability of topsoil depth in lieu of seeking very <br />uniform topsoil thickness through extended machine work. <br />• If topsoil is imported from another location, the source should be carefully and <br />thoroughly inspected for noxious weeds and undesirable plants and rejected if <br />weeds are found. <br />~~ <br /> <br />