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Rifle Gravel Pit #1 January 2023 <br /> CnCAfn <br /> Graphic Scale C) <br /> MINING PROGRESSION EXHIBIT-MOTES• LEGEND 0 100 200 400 N <br /> 1. SLOPE OF THE MINING HEADWALL DURING EXCAVATION SHALL BE AT THE ANGLE OF REPOSE, EX. WETLANDS 2s <br /> EXPECTED TO BE 3:1 BUT SHALL NOT EXCEED 2:1. EX. WETLAND AND BUFFER In U.S.Feet:1"=200' n <br /> 2. WETLAND SLOPE AREA IS A MIN. 6 FT AROUND WATER SURFACE AT 10% SLOPE ®EX. GRAVEL <br /> 3. WETLAND SLOPE AREAS SHALL BE RECLAIMED WITH STOCKPILED TOPSOIL AND RFVEGETATED WITH PROP. PAVEMENT o, E <br /> THE WETLAND SEED AND PLANTING MIX SHOWN IN TABLE 2 ON SHEET 2. L <br /> ----PROPERTY BOUNDARY 'E< a.­t <br /> 4. SEE TYPICAL MINING STRATA BASED ON GEOTECH BORING LOGS IN DETAIL I;'11. 100 YR. FLOODPLAIN cnU)_1 <br /> 5. TEMPORARY WET GRAVEL STOCKPILES WILL BE FORMED NEAR THE EXCAVATION BOUNDARY" THEN SURFACE WATER �' a o L rn <br /> MOVED TO THE STOCKPILING AREA DEPICTED ON THIS SHEET AFTER THEY DRY OUT. CID <br /> 3 y <br /> r- <br /> - `S"f3filf <br /> . +wa <br /> 6 IN TOPSOIL. FOR - ^'r 0 <br /> 5 FT REVEGETATION = WETLAND SLOPE AR <br /> o <br /> 30% COMPLETE, APPROX. 15,363SF C - "-•, 7 <br /> INSTALL STRAW WATTLE :7 = (SOLID GREEN HATCH) <br /> c i i ��` a.• AT OUTER TOE OF BERM <br /> i �� �� `( SEE DETAIL H;10 <br /> i' OVERBURDEN �� 's ` 30x <br /> B ' <br /> - f AFFECTED LANDS-='.� ! := L OA COMPLETE <br /> X <br /> m USED FOR BERMS _y J-I�� q <br /> - ( A.K.A. LIMITS OF DISTURBED AREA) ' s' <br /> L SEE PLAN I GRADE MIN. 35-FT AWAY FROM EX.''•,�;; =4` _ ` 0 <br /> WETLAND BOUNDARIES �'' _ " '•� r •-• <br /> WETLAND NOTE: COMPACT OVERBURDEN IN MAX. B INCH LIFTS • �•' <br /> N SLOPE AREA TO 95% PROCTOR DENSITY, ROUGHEN SURFACE PER <br /> c+ DETAIL G/10, PRIOR TO APPLYING TOPSOIL AND REV'EG. <br /> a .SECTION A—A <br /> A 9ERM CONSTRUCTION AND REVEGETATION DETAIL <br /> a 6 N.T.S - <br /> % <br /> 6 TOP OF BERM dv I C <br /> TEMPORARY r SEE DETAILS A/6 AND ~_ <br /> C/6 ON THIS SHEET C X' (a +- > <br /> WET GRAVEL I `- N \ 0 C>3 <br /> ' STOCKPILE z_ <br /> CD <br /> ( EARTHEN BERM-� <br /> I . %START MINI\C ON NORTH SIDE OF CHANNEL, TURN <br /> SOLID GRAY HATCH <br /> .THE CHAN`TI tJTO THE NEWLY EXCAVATED PIT. — <br /> N CONTINUE 1,+IN4.1C CLOCKWISE THROUGH THE AREA. + v_- <br /> 4 eI� 1!lE EXPANSION` WATER CRAJNS FROM GRAVEL ' "" STOCKPILING AREA <br /> 0.57 ACRES 125,000 SF <br /> l� STOCKPILE OVERLAND AND ) \ '.APPROX. 433 L.F (9,B73 SF) OF CHANNEL <br /> VINING INFILTRATES TO SUBSURFACE INCORPORATED INTO WET MINING FOOTPRINT. }•••' <br /> MAINTAIN EX. CROSSING TO N N <br /> `.SECTION BBB OPERATIONS .4P.EA FOR GRAVEL PROCESSING, FUEL r ALLOW VEHICLE ACCESS TO <br /> STORAGE, PARKING, OFFICE, AND SALES AREA MINING ARE <br /> 6 TYP ACTIVE MINING APPROX. 1.93 ACRES <br /> B NTS. ' SEE DETAIL J/12 FOR TYPICAL PROCESSING LAYOUT / \o d A _ T <br /> SEE SHEET K/13 FOR TYPICAL SPILL PREVENTION <br /> CONTROL AND CONTAINMENT FUEL STORAGE DETAILS <br /> F BERM, SEE DETAIL A/6 I; 3gUy`T •' ' u <br /> 5 . - S• _ <br /> pX. <br /> IRADE <br /> �I-rJo -i1 -341 W2 <br /> WLILAND a <br /> -� SLOPE ARE.'!' c - , _ annoy RPF <br /> n ^�. :> :EX. GAS LINE laazor_, T <br /> TAILWATER ti �'� % (OWNED BY URSA RESOURCES) RPF fl <br /> y CHANNEL nild-Exlndts <br /> a / ( LOCATION <br /> b' NOTES: WETLAND SLOPE AREA WILL BE VARIES /' -- •� �->>-EX. NON-POTABLE WATER <br /> ,�0 r I <br /> RECLAIMED WITH STOCKPILED TOPSOIL \ hT' ! ��• r \ (OWNED BY URSA RESOURCES) Mlning PfO9r@SSIOn <br /> AND REVEGETATED PER TABLE 2 ON WETLANDS <br /> w SHEET 2 NDAP•Y Exhibit-30% <br /> _tee„✓� .. �4 k.-> .� <br /> SECTION Ci-Ci '` / Y' M -MINE ENTRANCE Dwe No <br /> Ci RECLAIMED Fa Y4a (LAT, LONG) _ (39.533805', -107.692804') <br /> 6 N.T.S. - SEE ALSO SECTION F/8, SHT 8 <br /> 13 <br /> Figure 9. Exhibit C4 - 30% Mining Map (See Attachment A for full drawing set) <br /> 21 <br />