2023-05-17_PERMIT FILE - M2021052

• Permit No: M2021052
• IBM Index Class Name: Permit File
• Doc Date: 5/17/2023
• Doc Name: Adequacy Review Response
• From: IHC Scott
• To: DRMS
• Email Name: ACY
• Email Name: THM
• Media Type: D
• Archive: No

Rifle Gravel Pit #1 May 2023
EX. WANDS Graphic Scale o
MINING PROGRESSION EXHIBIT NOTES: 0 100 200 400 C)
- EX. WETLAND AND BUFFER
1. SLOPE OF THE MINING HEADWALL DURING EXCAVATIONI SHALL BE AT THE ANGLE OF REPOSE, EX. GRAVEL
EXPECTED TO BE 3:1, PROP. PAVEMENT In U.S.Feet:1"=200' J33
ao
2. WETLAND SLOPE AREA IS A MIN. 6 FT AROUND WATER SURFACE AT 10% SLOPE —--PROPERTY BOUNDARY
100 YR. FLOODPLAIN
3. WETLAND SLOPE AREAS SHALL BE RECLAIMED WITH STOCKPILED TOPSOIL AND REVEGETATED WITH SURFACE WATER I;rn
THE WETLAND SEED AND PLANTING MIX SHOWN IN TABLE 2 ON SHEET 2. -u—LIMB OF DISTURBANCE AREA L.` 8
xro-PROP 5-FOOT CONTOUR x �-C) ('
4. SEE TYPICAL MINING STRATA BASED ON GEOTECH BORING LOGS IN DETAIL 1/11. U)U)p.�
PROP 1-FOOT CONTOUR (n
5. TEMPORARY WET GRAVEL STOCKPILES WILL BE FORMED NEAR THE EXCAVATION BOUNDARY THEN NON-WETLAND o Mj
MOVED TO THE STOCKPILING AREA DEPICTED ON THIS SHEET AFTER THEY DRY OUT. Tom^ • PIEZOMETER WELL :I'm
i 4r+�J' _ WETLAND SLOPE AREA
60% COMPLETE, APPROX. 25,322 SF
BERM, SEE DETAIL A/6 '�'�r (SOLID GREEN HATCH),�:- "^
EX. WETLANDS " O
WHERE AFFECTED LANDS 1`. "1, /� i. - U; 5/4/23 ��O
APPLICABLE ( A.K.A. LIMITS OF DISTURBED AREA) • 36186 rn:
♦� .!,
MIN. 35-FT AWAY FROM EX ��� 5361.1�.
e I WETLAND BOUNDARIES i� w 1�i 100'
m EX. t ` .
0 AF GRADE S'ONAL
-n S, RECLAIMED
�p�f WETLAND
a
MINE EXPANSION SLOPE AREA I jl A'",
+ RECLAIMED 11 i{ J� I
4 MINING HEADWALL POND SLOPE 4 11 I• • It
�OS� `«- i r
ro 3:1 SLOPE
g y 11 O TEMP. WET GRAVEL Lj _ CO O
or)
to
to
I1, r Ir i i y (SOLID GRAY HATCH); COMPLETE
SECTION D—D i'� •I %ii •s 3.1 s • Co
D EXPANDING OUT FROM RECLAIMED AREA '� I - - - • - -% \ O U
n q a_ Z
0 7 N.T.S. - SEE ALSO SECTION F/8, SHT 8 Ij Cl QO 53 75 s,, L V
EARTHEN BERM Sk v1"� \ fi U 04
ob
OPERATIONS AREA FOR GRAVEL PROCESSING, FUEL y- �S• tS- {
I1' STORAGE, PARKING, OFFICE, TOILETS, AND SALES AREA
TEMPORARY APPROX. 1.86 ACRES MINING FOOTPRINT EXPANDS m r
.�` WET GRAVEL SEE DETAIL J/12 FOR TYPICAL PROCESSING LAYOUT !! SOUTH TOWARDS THE
STOCKPILE SEE SHEET K/13 FOR TYPICAL SPILL PREVENTION r PROCESSING ENTRANCE/OPERATIONS <
CONTROL
hLv AND CONTAINMENT FUEL STORAGE DETAILS' AREA PAD/SCALE HOUSE °p
J..5�. 4„ k r .0 rr` moo, / v c
S� MINE EXPANSION WATER GRAINS FROM GRAVEL ' !�� 4��: `rb � ° ° y
• ' '
s / STOCKPILE OVERLAND ANDyF. a 4
MINING INFILTRATES TO SUBSURFACE
HEADWALL
SECTION E—E 'I .�? �5 , } �: a
1 I ; - t ti y No. 2019-341 002
a E TYPICAL MINING ACTIVITY 11 t ". "fi _ 4
o I I x ,: EX. GAS LINE o a os oar CS? r
a 7 N.T.S. it �, ��ti .` !'v / ABF
_
8 u STOCKPILING AREA- 1 (OWNED BY URSA RESOURCES) oc. "eF� viae�d s
i� 0.54 ACRES (23.500 SF)- . ..1^` 1! �, �,•- f. Ex. NON-POTABLE WATER Tine a
HAUL ROAD %/_Y•� (OWNED BY URSA RESOURCES) Phase 3 Mining
Progression
• ' Exhibit-60%
y` --
)`I `�• MINE ENTRANCE owu N°.
SCALE, SCALE HOUSE (LAT, LONG) _ (39.533805, -107.692804') _
TOILETS (2)
of 15
Figure 10. Exhibit C5— Phase 3 60% Mining Map
19