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<br />NOTES:
<br />1. THE PROPOSED PERMIT AMENDMENT AREA REMAINS THE SAME AS THE EXISTING PERMIT AREA
<br />(M-1999-050) AND ENCOMPASSES APPROXIMATELY 151.3 ACRES. THE AFFECTED LAND
<br />BOUNDARY ESSENTIALLY FOLLOWS THE PERMIT BOUNDARY TO ALLOW FOR RECLAMATION
<br />ACTIVITIES AND FUTURE POTENTIAL MINING OPERATIONS.
<br />2. AS IN THE PREVIOUSLY APPROVED PERMIT (M-1999-050), MINING HAS OCCURRED IN 3 (THREE)
<br />PHASES. PHASE I AND PHASE 2 MINING HAS BEEN COMPLETED. PHASE 3 IS CURRENTLY BEING
<br />MINED.
<br />Timnath Connell Pit Mine Phasing Summary
<br />Mine Phase
<br />Total Acreage
<br />Mining Status
<br />Duration
<br />(acres)
<br />(years)
<br />Phase 1
<br />75
<br />Complete
<br />- - -
<br />Phase 2
<br />45
<br />Complete
<br />- - -
<br />Phase 3
<br />20
<br />In Progress
<br />3-5
<br />TOTAL
<br />140
<br />3-5
<br />3. WITH THE RELEASE OF THE WEITZEL ROAD EXTENSION, THE PERMIT AREA HAS BEEN
<br />SEPARATED INTO TWO PARTS - THE NORTHEAST CORNER AND THE SOUTHWEST MINE PIT AREA.
<br />THE NORTHEAST CORNER OF THE PERMIT BOUNDARY HAS PREVIOUSLY BEEN MINED,
<br />BACKFILLED, COMPACTED, CONTAINS A PORTION OF THE RELOCATED BOX ELDER DITCH, AND
<br />HAS BEEN GRADED AND SEEDED WITH THE PREVIOUSLY APPROVED NATIVE GRASS SEED MIX.
<br />4. MINING IN THE SOUTHWEST MINE PIT AREA IS MOSTLY COMPLETE, BUT ADDITIONAL MINING IS
<br />STILL OCCURRING IN THE PHASE 3 AREA UNDER THE OLD BOX ELDER DITCH LOCATION. AREAS
<br />OF THE MINE PIT AREA NOT CURRENTLY BEING MINED HAVE EITHER BEEN BACKFILLED,
<br />COMPACTED, GRADED, AND SEEDED OR ARE CURRENTLY BEING BACKFILLED. THE AREA ALSO
<br />CONTAINS PART OF THE EXCAVATED MINE PIT THAT IS PARTIALLY LINED TO CREATE A
<br />BELOW -GRADE RESERVOIR, DEWATERING/RECHARGE PONDS, AND MATERIAL PROCESSING
<br />AREAS.
<br />5. THE ORIGINAL SITE ENTRANCE WAS LOCATED IN THE NORTHWEST CORNER OF THE PERMIT
<br />AREA WITH ACCESS ONTO THE INTERSTATE 25 (I-25) FRONTAGE ROAD. BEGINNING IN 2022, THE
<br />I-25 EXPANSION PROJECT BEGAN ELIMINATING THE FRONTAGE ROAD AND A NEW SITE
<br />ENTRANCE WAS CREATED FROM THE WEITZEL ROAD EXTENSION. A SEPARATE ENTRANCE FROM
<br />THE WEITZEL ROAD EXTENSION TO THE NORTHEAST CORNER OF THE PERMIT BOUNDARY HAS
<br />ALSO BEEN ESTABLISHED FOR RECLAMATION PURPOSES ONLY.
<br />6. AREAS NOT DISTURBED BY MINING MAY BE DISTURBED BY ACCESS ROADS, STOCKPILES,
<br />MATERIAL PROCESSING, OR BACKFILLING AND OTHER RECLAMATION RELATED ACTIVITIES.
<br />THE REMAINING AREA WILL CONSIST OF SETBACKS AND ROAD AND UTILITY RIGHTS -OF -WAY.
<br />7. IN NEW MINING AREAS, SETBACKS FROM THE MINE PIT TOP OF SLOPE TO THE PROPOSED PERMIT
<br />BOUNDARY OR MAN-MADE STRUCTURES NOT OWNED BY THE APPLICANT WILL BE 50 FEET OR
<br />GREATER.
<br />8. TOPSOIL AND OVERBURDEN STOCKPILES WILL BE CONFIGURED TO HAVE SIDE -SLOPES NO
<br />STEEPER THAN 2HA V. IF THE STOCKPILES ARE INACTIVE FOR MORE THAN ONE GROWING
<br />SEASON THEY WILL BE SEEDED WITH THE FAST-GROWING GRASS SEED MIXTURE IN THE TABLE
<br />BELOW. IF STOCKPILE SEEDING IS NOT USED, SURFACE ROUGHENING WILL BE MAINTAINED TO
<br />LIMIT WIND AND WATER EROSION.
<br />Stockpile Grass Species
<br />Rate
<br />(lbs PLS/acre)
<br />Intermediate Wheatgrass
<br />5
<br />Blue Grama
<br />1
<br />ITn'ticale
<br />1.25
<br />TOTAL
<br />7.25
<br />Rates are for broadcast seeding.
<br />9. BEST MANAGEMENT PRACTICES WILL BE USED TO LIMIT DISCHARGE OF STORMWATER AND
<br />SEDIMENT ONTO ADJACENT PROPERTIES AND WATERWAYS.
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<br />GROUND
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<br />Date: APRIL 2025
<br />Job No: 590-004
<br />Drawn: SER
<br />Desi n: SER
<br />Checked: B. SCHENDERLEIN
<br />Scale: 1" = 200'
<br />Sheet:
<br />Of.
<br />
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