2021-08-02_PERMIT FILE - M2020058 ‎(7)‎

• Permit No: M2020058
• IBM Index Class Name: Permit File
• Doc Date: 8/2/2021
• Doc Name Note: Map: 1 of 1
• Doc Name: Completeness Response
• From: Aggregate Industries - WCR, Inc.
• To: DRMS
• Email Name: DC1
• Media Type: M
• Archive: No

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(IN FEET) U)
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1 INCH = 150 FEET
PLICAT
RATE*
lbs PLS/acre
WESTERN WHEATGRASS
RCOLNIVED
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SIDE -OATS GRAMA
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GREEN NEEDLEGRASS
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BIG BLUESTEM
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EXISTING ROAD —_ —_ — —_ —_ —_
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EXISTING MINOR CONTOUR ----4871
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-EXISTING MAJOR CONTOUR ----4870-
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PROPOSED MINOR CONTOURO7
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PROPOSED MAJOR CONTOUR 4870—
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NOTES- z
1. THE PROPOSED FINAL LAND USE FOR BAURER PIT IS DEVELOPED WATER
RESOURCES.
2. THE MINE CELL WILL BE SEALED TO CREATE A BELOW -GRADE WATER
STORAGE RESERVOIR.
3. THE RESERVOIR SHALL BE CONSTRUCTED TO MEET STATE ENGINEER'S � �m
OFFICE OPERATIONAL PERFORMANCE STANDARDS. -8
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4. IN PREPARATION FOR SLURRY WALL CONSTRUCTION, A COMBINATION 5'a
ROAD AND WORKING PAD WILL BE GRADED ALONG THE SLURRY WALL °Cq
ALIGNMENT. THE GRADING WALL PRODUCE A RELATIVELY FLAT, STABLE s N
SURFACE APPROXIMATELY 50 TO 100 FEET IN WIDTH. w 's
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5_ SLURRY WALL CONSTRUCTION INCLUDES A 3 TO 5 -FOOT WIDE TRENCH o 0 a
D] d i0
KEYED A MINIMUM OF 2 FEET INTO SHALE BEDROCK. �..�..
6. SLURRY WALL SHALL BE CONSTRUCTED WITH BENTONITE SLURRY, A -y-• C
BLEND OF SOIL EXCAVATED FROM THE TRENCH, DRY BENTONITE, AND 4— Q
BORROW SOILS.
7. ALL STRUCTURES ASSOCIATED WITH MINING WILL BE REMOVED FROM THE
SITE DURING FINAL RECLAMATION ACTIVITIES.
01 N 0
8. ALL AVAILABLE .TOPSOIL AND OVERBURDEN MATERIAL WILL BE USED FOR Co
BACKFILLING AND RECLAMATION.
9. FINAL SLOPES WILL HAVE 3H:1V GRADE OR FLATTER.
10. DISTURBED UPLAND AREAS NOT WITHIN THE RESERVOIR SHALL BE
REVEGETATED WITH THE FOLLOWING NATIVE GRASS SEED MIXTURE.
--LAP
UPLAND GRASS SEED
PLICAT
RATE*
lbs PLS/acre
WESTERN WHEATGRASS
4.8
BLUE GRAMA
0.3
SIDE -OATS GRAMA
1.0
GREEN NEEDLEGRASS
1.5
BIG BLUESTEM
1.7
SWITCHGRASS
2.0
*AFPLlUA' IS FOR DRILL SEEDING. It'
SEED IS TO BE BROADCAST, THE APPLICATION
RATE VML BE DOTTB ED
11. PERIODIC INSPECTION FOR NOXIOUS WEEDS, AT LEAST ONCE A YEAR
EARLY IN THE SEASON, WILL BE DONE AS PART OF A WEED
MANAGEMENT PLAN.
12: BEST MANAGEMENT PRACTICES WILL BE USED TO CONTROL EROSION AND
SUSPENDED SEDIMENT RUNOFF FROM THE SITE DURING RECLAMATION
ACTIVITIES.
TYPICAL RECLAMATION SECTION AT PERMIT BOUNDARY
N.T.S.
100' MIN.
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RECLAIMED
RECLAIMED SLOPE
3'
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ct
5 30'
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OVERBURDEN
1'
Q
Q
100' MIN.
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TOP SOIL
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HISTORIC GROUND
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RECLAIMED
RECLAIMED SLOPE
3'
Q
5 30'
OVERBURDEN
1'
Q
z
SLURRY
MINING FLOOR
U
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WALL
II
BACKFILL
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MINING HIGHWALL
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Date: NOVEMBER 20201
Drawn: B_ MATHISEN
Design: B. MATHISEN
Checked: B. SCHENDERLEIN
Sheet: