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2012-04-15_PERMIT FILE - C1981017
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2012-04-15_PERMIT FILE - C1981017
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Last modified
8/24/2016 4:56:20 PM
Creation date
6/7/2012 10:47:26 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981017
IBM Index Class Name
Permit File
Doc Date
4/15/2012
Doc Name
Demonstration for Incomplete Highwall Reclamation
Media Type
D
Archive
No
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feet in height. In order to be safe, this work must proceed very <br />cautiously. Some loose material is available from the bench area <br />itself, however, large portions of the bench area are in competent <br />rock. <br />It is not logical to blast down more material from above the <br />highwall since the slopes continue upward at extremely steep <br />angles. A large area would have to be disturbed to obtain <br />additional fill. <br />The fill material from the upper edge of the spoil slope, plus <br />loose material available on the bench itself, plus blasted concrete <br />foundations, plus topsoil from nearby borrow areas results in the <br />amount of "reasonably available material" for backfilling. There <br />are no other areas within a reasonable distance where fill material <br />can be obtained. The maps titled "Mine #3 Reclaimed ", etc. show the <br />total volume of reasonably available material as the fill volume <br />printed on the map. The cut volume shows what material can be <br />excavated from the bench and from the top of the downspoiled slope. <br />Each set of portal maps also corresponds to a cross - section which <br />shows the original terrain, the highwall and the proposed <br />backfilled slope, utilizing all available spoil. <br />It must be pointed out that the volumes shown on these maps are <br />intelligent estimates taking into account all knowledge of the <br />sites at this time. When the work is undertaken, the amount of <br />reasonably available material may be slightly higher or lower than <br />the estimates shown on the maps. <br />
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