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REP40199
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REP40199
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Entry Properties
Last modified
8/25/2016 12:28:59 AM
Creation date
11/27/2007 8:40:00 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
Report
Doc Date
12/31/2000
Doc Name
ANNUAL RECLAMATION REPORT
Permit Index Doc Type
ANNUAL RECLAMATION REPORT
Media Type
D
Archive
No
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The location of each spoil pit is shown on Exhibit 2000-7, Backfill Sampling Location Map. Laboratory results for the <br />four spoil samples are presented in Attachment 2000-A. The analytical results indicate all spoil is suitable. No additional <br />grading, special handling, or amendment application was needed prior to soil replacement. <br />The topsoil that was used for redistribution was live handled front ahead of the active mining area to the awaiting backfill <br />area. Phase X11 topsoil campaign was done during the Summer of 2000. A total of 23,030 loose cubic yards were moved. <br />The thickness of soil replaced during 2000 was not verified by sampling. Only one of the gridded sample locations fell <br />within the 2000 topsoil laydown area. Sample sites for the New Horizon 2 mining area were selected systematically <br />utilizing a 467 foot by 467 foot grid pattern. Sites at New Horizon 2 were detemtined from CAD drawings using <br />distances and azimuths from established survey points and located in the field by a Chainman 11 distance meter and a <br />pocket transit. The single sample location will be sampled in the 2001 reclamation year <br />A 2-3/4 inch bucket auger was used at each site to excavate a pilot hole through the entire soil strata. An abrupt <br />boundary, defined by color and rock fragment content, typically occurred at the soiVspoil interface. The replaced soil <br />thickness was measured through the pilot hole immediately after encountering the spoil. Minor Revision # 44 was <br />approved by DMG in August 2000. The revision, based on years of extensive sample analysis, allowed for a reduction <br />in the parameters for which the soil is analyzed <br />Soil thickness as determined by past sampling is shown on Exhibit 2000-6. Sort thickness information for each sample <br />site is located on the map. <br />New Horizon 2 has many different soil thickness requirements as shown on Exhibit 2000-8, which is in section 2.05.4-4 <br />of the current permit. <br />All suitable soil has been salvaged ahead of mining at New Horizon 2. Approximately 77,368 (LIFT 2), 18,391 (LIFT <br />I ), and 52,487 (MIXED) cubic yards of soil are stored m stockpiles at the end of 2000 as shown on Exhibit 2000-10 <br />(2000 Topsoil Balance Map). The soils were separately stockpiled by soil types as specified by our permit. <br />r^ <br />All topsoil stockpiles have been planted with [he approved cover crop seed mixture. <br />Fertilizer was applied once or twice a year. The first application was during the spring and the second (if needed) was <br />after the first tuning. Application rates varied from none to 400#/acre (Exhibit 2000-9). First cut yields varied from <br />(d: \da to \wpda to\rec-repo\2000recrepo. doe) <br />
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