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Rifle Gravel Pit #1 <br /> April 2022 <br /> MINING PROGRESSION EXHIBIT NOTES- Graphic Scale <br /> 0 100 200 400 <br /> t. SLOPE OF THE MINING HEADWALL DURING EXCAVA � <br /> TIONI SHALL BE AT THE ANGLE OF REPOSE, •pOr'R--` -�"- <br /> EXPECTED TO BE 3:1 BUT SHALL NOT EXCEED 2:1. I In U S Feet 1"=200' � <br /> 2. WETLAND SLOPE AREA IS A MIN. 6 FT AROUND WATER SURFACE AT t OR SLOPE —a;\001-- ..\ <br /> �CID <br /> 3. WETLAND SLOPE AREAS SHALL BE RECLAIMED WITH STOCKPILED TOPSOIL AND REVEGETATED WITH E <br /> THE WETLAND SEED AND PLANTING MIX SHOWN IN TABLE 2 ON SHEET 2. <br /> 4. SEE TYPICAL MINING STRATA BASED ON GEOTECH BORING LOGS IN DETAIL I/11. \ rk F`'s <br /> C0 cm <br /> a t�) <br /> 5. TEMPORARY WET GRAVEL STOCKPILES WILL BE FORMED NEAR THE EXCAVATION BOUNDARY THEN !�,` - '> -'-- E <br /> MOVED TO THE STOCKPILING AREA DEPICTED ON THIS SHEET AFTER THEY DRY OUT. �X __ <br /> 6 IN TOPSOIL FOR I �L _ �� ^`� -- i�- -- -- - _ CD <br /> 4 FT� / REVEGETATION <br /> / WETLAND SLOPE AREA <br /> 30% COMPLETE, APPROX. 10,644 SF <br /> INSTALL STRAW WATTLE < <br /> AT OUTER TOE OF BERM 1(SOLID GREEN HATCH) <br /> \ �,. ; <br /> SEE DETAIL H/10 - ti * •.O P•. <br /> rr OVERBURDEN <br /> o �5 FT EX' ( A.K.A. L MITS OF DISTURBED AWAY FROM EX, , " �'/T E <br /> rr USED FOR BERMS COMPLETE <br /> _ <br /> o GRADE 2 .1 <br /> WETLAND BOUNDARIES � <br /> WETLAND NOTE: COMPACT OVERBURDEN IN MAX. 8 INCH LIFTS ^4 •~� IJ /i4/ 0•` <br /> SLOPE AREA TO 95% PROCTOR DENSITY, ROUGHEN SURFACE PER <br /> DETAIL G/10, PRIOR TO APPLYING TOPSOIL AND REVEG. IT <br /> � SECTION A—A <br /> 1 <br /> A BE CONSTRUCTION AND REVEGETATION DETAIL \ , <br /> � . <br /> 0 6 N.T.S. �— <br /> `_ <br /> a i 1 I TOP OF BERM C y - <br /> TEMPORARY SEE DETAILS A/6 AND <br /> WET GRAVEL C/6 ON THIS SHEET : <br /> n STOCKPILE _ C ' '*+►r,4 `}" i. — V � <br /> (t3 <br /> O O C (� <br /> ;0 U O <br /> r ' EARTHEN BERM <br /> {SOLID GRAY HATCH) START MINING ON NORTH SIDE OF CHANNEL, TURN U <br /> THE CHANNEL INTO THE NEWLY EXCAVATED PIT, V <br /> WATER DRAINS FROM GRAVEL MINE EXPANSION i STOCKPILING AREA( CONTINUE MINING CLOCKWISE THROUGH THE AREA. = O <br /> �( r <br /> hj' LXis- r r STOCKPILE OVERLAND AND Igfl - 0.57 ACRES (25,000 SF) -\�� APPROX. 433 LF (9,873 SF) OF CHANNEL V <br /> r MINING INFILTRATES TO SUBSURFACE + INCORPORATED INTO WET MINING FOOTPRINT. <br /> HEADWALL _ <br /> MAINTAIN EX- CROSSING TO <br /> rR B SECTION B—B OPERATIONS AREA FOR GRAVEL PROCESSING, FUEL �� J ALLOW VEHICLE ACCESS TO-- <br /> TYPICAL ACTIVE MINING STORAGE, PARKING, OFFICE, AND SALES AREA MINING AREA o v <br /> APPROX. 1.93 ACRES __ \ _to a 6 N.T-S. SEE DETAIL J/12 FOR TYPICAL PROCESSING LAYOUT / A <br /> SEE SHEET K/13 FOR TYPICAL SPILL PREVENTION <br /> BERM, SEE DETAIL A/6 ICONTROL AND CONTAINMENT FUEL STORAGE DETAILS ` \\ <br /> ro EX <br /> 4 <br /> 25 FT '' <br /> € SLOPE TAILWATER Jab No. 701&3n 00s � <br /> a ICHANNEL EX GAS LINE �' O4na202s <br /> RPF s <br /> I % (OWNED BY URSA RESOURCES) oo: ABF PE: RPF g <br /> EX. WETLANDS FIk RPIePIFExhldts n <br /> a NOTES: WETLAND SLOPE AREA WILL BE BOUNDARY ' ��� EX, NON-POTABLE WATER l Tme <br /> 0 <br /> RECLAIMED WITH STOCKPILED TOPSOIL g i �� OWNED BY URSA RESOURCES <br /> rc AND REVEGETATED PER TABLE 2 ON ! �,!, ( ) <br /> SHEET 2 �- ,-,• _;=;'::;,�;.; Mining Progression <br /> o <br /> �, Au/� Exhibit-30 6 <br /> MINE ENTRANCE ony No <br /> (LAT. LONG) _ (39.533825, r107.692804') <br /> Of 13 <br /> Figure 9. Exhibit C4 - 30% Mining Map (See Attachment A for full drawing set). <br /> 20 <br />