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• Ground and standing liter was greater on spoil (10 percent) than on topsoil <br />(4 percent). The percentage of rock ground cover was greater on topsoil <br />(16 percent) than on spoil (9 percent). <br />Production was similar between spoil and topsoil plots. Production <br />of grasses was higher in topsoil plots with 16 species as opposed to that <br />in spoil plots where 11 species were observed. <br />The results of the study indicates some trends in the use of topsoil <br />and spoil as plant growth medium, however, these data only indicate <br />general trends and the study was not designed to be definitive. The lack <br />of abiotic, background and historical data about the reclamation study <br />areas seriously handicaps this study. <br />The only available revegetation information known about the <br />reclamation study areas is given in Table 4.4-F-2. The species percentage <br />for the seed mix planted on the spoil area is unknown. <br />• <br />u <br />Mid-term '94 4.4-D-6 September 15, 1994 <br />