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PERMFILE125072
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PERMFILE125072
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Last modified
8/24/2016 10:22:33 PM
Creation date
11/25/2007 1:24:51 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977322
IBM Index Class Name
Permit File
Doc Date
9/30/1977
Doc Name
LIMITED IMPACT AND SPECIAL TEN DAY PERMIT APPLICATION FORM
Media Type
D
Archive
No
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1 <br />' EXHIBIT E <br />Reclamation Plan <br />' Beaver Creek Clay Mine <br /> Upon completion of mining activities, stockpiled spoils and over- 7 <br /> burden (estimated to be 60-6530 of mined materials) will be backfilled <br /> <br /> into the open pit. The remaining highwalls will be stabilized or con- <br /> ~ <br />' toured to blend with the existing topography. In order to minimize <br /> erosion and siltation during reclamation, slopes greater than 2:1 will <br /> be avoided where possible. Stockpiled tcosoil will then be regraded <br />' to an average depth of 9" over the pit site and haul roads, then contoured <br /> and broadcast seeded at a rate of 80 seeds/sG.ft. with native grass <br />' species to approximate the prior existing •degetational species diversity <br /> and densities (see table 1). Rock faces that represent the most <br /> stable slope configuration will be retained to prevent slumping or slid- <br />, ing of less stable overbearing strata. <br /> Based on field surveys of undisturbed portions of the lease area <br /> adjacent to the mine, it is anticipated that a seeding mixture of 30% <br /> Blue Grama,20~ Legume species, 30;6 Wheatgrass species and 20;6 Sideoates <br />' s <br />i <br />ill b <br />G <br />d <br />Oth <br />ti <br />i <br />t <br />th <br /> rama <br />pec <br />es w <br />e use <br />. <br />ve grass spec <br />es presen <br />on <br />er na <br />e <br /> site are not commercially available as seed. Should data become avail- <br /> able indicating edaphic conditions more appropriate for other species <br />' of native grasses, modifications of species types and ratios in the <br /> seeding mixture may be implemented. <br />' R <br />d <br />t <br />b <br />ll <br />t <br />k <br />i <br />it <br />t <br />i <br />t <br />th <br />i <br /> oo <br />- <br />a <br />s <br />oc <br />nursery <br />ne s <br />e <br />ree spec <br />es nat <br />ve <br />o <br />e m <br />e <br /> (see table 1) will be planted in approximate ratios that existed prior <br /> to mining at a rate of 50 seedlings/acre. Because of the al~ered soil <br />1 <br /> <br />
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