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Revised 1/11/80 <br />Section 816.114 Continued <br />• Since the inception of the interim OSM regulations <br />on May 3, 1978, all regraded and topsoiled lands at the Energy <br />Fuels site have been reclaimed per an approved mulching plan. <br />Mulch presently applied to regraded and topsoiled lands meets the <br />definition of mulch as specified in section 701.5 and ..s ap- <br />plied to reduce erosion, promote germination of seeds, ant <br />tc increase the moisture retention capacity of the soil. <br />Redistributed topsoil will be stabilized be several recog- <br />nized methods used to control erosion. Newly redistributed <br />topsoil will be stabilized according to the revegetation time <br />table presented in section 816.113. Topsoil applied ~~hen <br />seeding of the approved annual grain mulch is impracticable <br />• due to improper planting conditions will be stabilized by <br />leaving the reapplied topsoil in e. rough ungraded condition <br />as described on page 780-116 of the Reclamation Plar:. In the <br />caooded areas of Eckman Park (Eckman Park Vegetation Map No. <br />16), topsoil will contain abundant amounts of subsurface plant <br />residue materials left behind after tree removal that will act <br />as an organic mulch. Above ground biomass amounts of woody <br />plant materials were found to total 77.3 tons of aspen, 4.6 <br />tons of sagebrush, and 9.2 tons of mountain shrubs of air dry <br />matter per acre. It is certain that a rortion of this woody <br />plant material will be incorporated into the soil through <br />the processes of vegetation removal and topsoiling. This <br />woody plant material incorporated into the soil will greatly <br />improve the mulching properties of the topsoil. <br />816-153 (a) <br />