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2012-10-24_PERMIT FILE - C1994082A
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2012-10-24_PERMIT FILE - C1994082A
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Last modified
8/24/2016 5:09:46 PM
Creation date
11/27/2012 7:46:19 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1994082A
IBM Index Class Name
Permit File
Doc Date
10/24/2012
Section_Exhibit Name
Tab 22 Revegetation Plan
Media Type
D
Archive
Yes
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Seed Mix Nos. 1A and 1B (Table 22 -2) have been designed for all reclaimed upland sites and <br />• ephemeral drainages on the mine area. The 24 species contained in the mix are adapted to a broad <br />range of anticipated site conditions in the mine area and haul road corridor. Site differences related to <br />aspect, topography, moisture conditions, and topsoiling will compliment Seed Mix Nos. IA and IB, <br />allowing for variation in established species composition from site to site and increasing opportunities <br />for diverse communities and habitat. Mix III is a variation of Mix 1A to be used on upland <br />disturbances along the haul road corridor. It is similar with the exception of the shrub component, <br />which was modified to include shrubs more adapted to site conditions along the haul road. Natural <br />regeneration of native vegetation, variable in composition and degree, will also contribute to diverse <br />reclaimed communities. Shrub planting areas, described in following sections, are included to further <br />enhance the diversity of the reclaimed upland areas and ephemeral drainages in the mine area. <br />Seed Mix No. 2 (Table 22 -3) will be used in areas that are likely to have mesic site conditions or in <br />reclaimed mesic drainages. Additional sites where this mix may be used include areas around <br />permanent ponds. The species fisted in the mix provide the basis for redevelopment of mesic sites or <br />certain aspects of riparian communities. The mix is comprised entirely of native species. Additional <br />native species, which are not available as seed or seedlings, will reestablish in reasonable time frames <br />• from native plant propogules in the close proximity of the mesic site reclaimed areas. Observations <br />of previously disturbed similar areas at the Seneca II Mine indicate !Wha, Carex and juncus species <br />reestablish naturally in relatively short time frames. Selected shrub or tree plantings, as discussed later, <br />will complete reclamation of these sites. <br />Seed Mix No. 3 (Table 22-4) has been designed for lowland disturbance areas along the haul road <br />corridor, which may encounter alkaline site conditions. These sites may also have the potential to be <br />quite wet The mix has a diverse blend of species, which will ensure adaptability to highly variable site <br />conditions. <br />Topsoil stockpiles, areas requiring temporary reclamation of approximately one year or longer, and <br />roadside disturbances will be seeded with Seed Mix No. 4 (Table 22 -5). Species selection was based <br />on the need for rapid establishment; longevity; adaptability to a range of soil textures, aspects, and <br />slopes; sod forming ability; presence of species that have deep root systems or a large and fibrous root <br />mass; and a level of nitrogen maintenance in the soil or plant growth medium. An effort was made to <br />balance the composition of the mix in favor of native species while still maximizing the potential for <br />• effectiveness. <br />PR -02 10 Revised 01/06 <br />
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