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• gave a practical estimate of the volume of topsoil available from the 14.8 <br />f thi <br />il <br />b <br />th <br />il h <br />i <br />i <br />hi <br />i <br />i <br />h <br />d <br /> acres o <br />s so <br />, <br />ecause <br />e so <br />or <br />zons <br />n t <br />s ser <br />es vary <br />n <br />ept <br /> from six to 78 inches within small areas. <br /> A summary of the Moffat topsoil removal (Exhibit 9.3-1, sheet 1) and <br /> replacement (Exhibit 9.3-2, sheet 1) acreage and volumes is given in Table <br /> 9.3-2. A total of approximately 375.6 acres will be topsoiled using <br /> 959,866 cubic yards, resulting in an average replacement depth of 9.0 <br /> inches of topsoil. Two roads encompassing about 5.9 acres will be left <br /> through the Moffat area (Section 3. 5) to allow management of the area. <br /> The West Ridge topsoil salvage plan was similar to the Moffat Area <br /> plan. Table 9.3-3 is arranged in the same format as Table 9.3-1. Each <br /> series and its map units are shown with the depth of the A horizon, the <br /> soil reconstruction rating of the A horizons and the stripping depth. All <br /> of the soils had A horizons with a good or fair rating as reconstruction <br /> material and were salvaged in their entirety, with one exception. <br /> Approximately eleven acres of topsoil along the west side was not removed <br /> because of the steepness of the area and the amount of rock present in the <br /> topsoil. This area is shown in Exhibit 9.3-1. A summary of topsoil removal <br /> and redistribution acreage and volumes is shown in Table 9.3-9. <br /> The topsoils on West Ridge were live handled as much as possible with <br />• the remainder being placed in a stockpile. The property is owned by three <br /> different individuals, each of these containing both previously mined and <br /> undisturbed land. In an effort to redistribute topsoil over as much <br /> acreage as practicable, two topsoil replacement depths were used. An 11" <br /> average topsoil depth was used on areas which received topsoil prior to <br /> 1992 while a 9" average topsoil depth was used for topsoil after that time. <br /> Table 9.3-5 shows the acreage and volume of topsoil for each owner, and the <br /> average depth of topsoil replacement for the acreage on which it was <br /> placed. Exhibit 9.3-2 depicts the areas, ownership and topsoil depth of <br /> the redistribution effort. <br /> Topsoil will be replaced on approximately 132 acres. Revegetation of <br /> all lands, topsoiled and nontopsoiled, will be performed as described in <br /> Subsection 9.3.5. <br />• <br />Renewal-3 9.3-6 June 13, 1997 <br />