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PERMFILE117644
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PERMFILE117644
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Entry Properties
Last modified
8/24/2016 10:13:23 PM
Creation date
11/25/2007 4:05:56 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
7/30/2007
Section_Exhibit Name
Section 2.05.4(2)(d) Topsoil (Redistribution)
Media Type
D
Archive
Yes
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. poorly to poorly drained soils provide wildlife habitat and occur on drainage channels, swales, and <br />low areas and have formed from alluvium and slopewash. <br />The best sources of topsoil material within the New Horizon 2 Mine disturbance area are the 70B, <br />D70B, 30C (1988 - 1996 disturbance areas), 98D and 98E (1999 proposed disturbance area), soil <br />mapping units. These units (98D and 98E) occupy about 52 percent of the proposed 1999 <br />disturbance area. <br />Generally, those soils which have a very high percentage of coarse fragments (greater than 35 <br />percent by volume), very shallow bedrock (0 to 10 inches), and shallow ground water (less than 1 <br />to 2 feet), have little suitable topsoil to be salvaged. No topsoil is available to be salvaged from <br />existing roads, ponds, residences, or farmyards <br />Topsoil Salvage Deaths - 1988. The suggested salvageable depths of topsoil material <br />presented in this section are based on laboratory data and extensive field observations, and <br />represent only the most suitable sources of topsoil material. No unsuitable sources of topsoil will <br />be salvaged and used during reclamation activities. Table 2.05.4(2)(d)-1 summarizes topsoil <br />salvage depths and characteristics by map unit for the New Horizon 2 Mine disturbance area. It <br />should be noted that the topsoil depths and volumes listed in Table 2.05.4(2)(d)-1 are only <br />estimates derived from field sample pits. Exact volumetrics for each topsoil horizon cannot be <br />determined until actual topsoil removal is accomplished. WFC will live handle the majority of the <br />topsoil with scrapers or a truck/shovel fleet from in front of the active pit to the final graded backfill. <br />WFC is committed to salvaging and redistributing all suitable topsoil. Map 2.05.4-4 shows the <br />anticipated replacement topsoil thickness for each vegetation category. Actual replacement <br />thickness may vary and WFC will document any variations in the Annual Reclamation Report. <br />Topsoil Salvage Deaths -1995. At the conclusion of Phase 6 topsoil removal campaign (12-20- <br />95), WFC conducted a topsoil balance study for the approved permit boundary. The study <br />included the entire New Horizon 2 mining area. The remaining undisturbed acreage that topsoil <br />will be salvaged from plus the topsoil that was placed in topsoil stockpiles at the beginning of <br />mining was taken into account. All disturbed acreages where taken into account. The conclusion <br />of this study can be seen in Table 2.05.4(2)(d)-2. The study shows that New Horizon 2 will be <br />• (Revised 24 AUG 06) 2.05.4(2)(d)-10 <br />
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