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0 — V� Ow'— y DITCH WATER RETURN �'•� / (SEE NOTE 2) OHU-- Q4Hg1IH— OYM/ --- OiMH— ONIH— ONU-- OHIF -- 01NF— 011l�— om I -- O"U-- O"I — OHU— OHI EXISTING ACCESS ROAD OPTION 1 TO BE MAINTAINED SEDIMENT PONDS OPTION 2 DISCHARGED TO SEDIMENT PONDS LUPTON BOTTOMS DITCH DISCHARGED TO "•,� _ (SEE —NCTE 5) 2 19— PLATTE RIVER \�( 25 30 (SEE NOTE OHU M4,— mu OHU-- ON 0�1 OHU— OHU— OHU— OH / ar x / / \/ / PROPOS�S \\ POWER DI H— OHU— OHU� / OHU— OH U— 01 OHU— OHU OHU— OHU- u / ,�' �& N'G�i ,`� , y7— r r T r �1 / PROPOSED \ _ 1 , r „� I , i r , —„ I L,,, 2500 GPM r Bff dE�%JAfEFtEfJ F` L \ 1 ftl� { a%fACt L�NS`U�O L , • ; : c L , y J , _ I \ WELL SITE ✓ERBURDE 1 �.�1 I� ti p p— p 1 1\ STOCKPIL OVERBURDEN::: I I 1 1 1 ,1 r GGREGATE 1 d l PROPOS D 24" I� i PILE STOCKPILE i FILL PIP I w 1 EXISTING ( ;, �! I I > �OTSEEE� ,. EXISTING DISTURBED i� I TOP SOIL I SCALE AREA �� EXISTING I I STOCKPILE I I DISTURBED HOUSE I / EXISTING AREA I IVl �(Jl I I I I MINING LIMITS �i EXISTING LUPTON �� PLANT BOTTOMS DITCH / IO / (SEE NOTE 2) I (SEE NOTE 1) MATCH EXCAVATION / I i EXISTING ACCESS / TO EXISTING PIT FLOOR , \> > , f i r I 10 ER EN \rr / / J / J i ROAD —!' i l l AGGREGATE I I TOCK I _E , PILE I 1 / " -� SEE NOTE 4) I I / ., r.: ......- I EXISTING POND �r rl l r r 1 "r) 1 / I � I I / GAS L / / Z T BED F IN � EWATERED LOW G I r r 'SLURRY Y WALL CONST UCTION I r � � r F T I r ,, I I / �r'r r , , r / WETLANDS ,.r ,, ry," r rrrA I I , rrr r / l / ;i r 1,, ))L,! l, r r r I I ' IPRESERVATION, � �� - � UPTON BOTTOMS / ENHANCEMENT, ITCH NO. 1 r 1 '' , 1 6 i / MENDE[1 x r "> NO MITIGATION OVERBURDEN , �' r r r r r" r' r AREA s5 �rrr PT ,' As )AM' N If�Ci Jrf rr I I f \ l STOCKPILE / _ �. I i (APPROIT. � AIPPROX. LIMITS,' 8� 3 TOTAL A�NR E 10 Y _ / �— —G— —r,r_. ,r -� �;t A ES) �� I r fr 41 L / SEE NOTE IVERT DITCH - 0,0— ONU—_. ONU _ I — — — \ — _ i'� D RING MINING — — — — — — — — — a«r _ — — "- �., ,,.i �S _tE—NOTE 2) oxw__ ' au` _ LUPTON BOTT MS ` I DITCH BRANCH r r WETLANDS I I I ! PRESERVATION, 1 1 1 I ENHANCEMENT, AND \ l o l MITIGATION )"30 GRAPHIC SCALE ( IN FEET ) 1 inch = 200 ft. TYPICAL CROSS SECTION OF PIT EDGE SCALE: 1" =200' RESERVOIR SLURRY WATER SURFACE TOP OF WALL CUT (30 ") (SEE NOTE 6) PERMIT CONCURRENT BOUNDARY BACKFILLING AT 3:1 SLOPE BASE OF USING RESERVOIR OVERBURDEN FROM SITE III III III I _.III III III III III 'III II III III III II III III III III Ilf 111 I III III III I III III III- III III :III III IF . , I I I I I I I I I I I I I I I I I I I I I I l l I iii —iii III II Ili lil III III Ilf_III v ;� / \ BACK FI LL GROUND GROUND / III III I :III II III III I I I I III I III III -III III III- III- `'' /SHALE BEDROCK' SLURRY WALL KEYED INTO SHALE MIN. 3 FT. PL PROPERTY LINE \PERMITTED AREA — — — — — — PROPOSED MINING LIMITS SECTION LINE — — EXISTING MINING LIMITS WATERWAY DITCH — OHU— OHU— ON'] — OHU— OVERHEAD UTILITY — cis — UNDERGROUND GAS LINE UNDERGROUND FIBER OPTICS CABLE SLURRY WALL UNPAVED ROAD ----- - - - - -- EASEMENT r �— EXISTING INDEX CONTOURS ®OIL /GAS OIL /GAS WELL AMENDED MINE AREA ''/ AGGREGATE STOCKPILE TOPSOIL STOCKPILE 1 I 1 1 1 1 1 , 1 1 EXISTING ACCESS ROAD OPTION 1 TO BE MAINTAINED SEDIMENT PONDS OPTION 2 DISCHARGED TO SEDIMENT PONDS LUPTON BOTTOMS DITCH DISCHARGED TO "•,� _ (SEE —NCTE 5) 2 19— PLATTE RIVER \�( 25 30 (SEE NOTE OHU M4,— mu OHU-- ON 0�1 OHU— OHU— OHU— OH / ar x / / \/ / PROPOS�S \\ POWER DI H— OHU— OHU� / OHU— OH U— 01 OHU— OHU OHU— OHU- u / ,�' �& N'G�i ,`� , y7— r r T r �1 / PROPOSED \ _ 1 , r „� I , i r , —„ I L,,, 2500 GPM r Bff dE�%JAfEFtEfJ F` L \ 1 ftl� { a%fACt L�NS`U�O L , • ; : c L , y J , _ I \ WELL SITE ✓ERBURDE 1 �.�1 I� ti p p— p 1 1\ STOCKPIL OVERBURDEN::: I I 1 1 1 ,1 r GGREGATE 1 d l PROPOS D 24" I� i PILE STOCKPILE i FILL PIP I w 1 EXISTING ( ;, �! I I > �OTSEEE� ,. EXISTING DISTURBED i� I TOP SOIL I SCALE AREA �� EXISTING I I STOCKPILE I I DISTURBED HOUSE I / EXISTING AREA I IVl �(Jl I I I I MINING LIMITS �i EXISTING LUPTON �� PLANT BOTTOMS DITCH / IO / (SEE NOTE 2) I (SEE NOTE 1) MATCH EXCAVATION / I i EXISTING ACCESS / TO EXISTING PIT FLOOR , \> > , f i r I 10 ER EN \rr / / J / J i ROAD —!' i l l AGGREGATE I I TOCK I _E , PILE I 1 / " -� SEE NOTE 4) I I / ., r.: ......- I EXISTING POND �r rl l r r 1 "r) 1 / I � I I / GAS L / / Z T BED F IN � EWATERED LOW G I r r 'SLURRY Y WALL CONST UCTION I r � � r F T I r ,, I I / �r'r r , , r / WETLANDS ,.r ,, ry," r rrrA I I , rrr r / l / ;i r 1,, ))L,! l, r r r I I ' IPRESERVATION, � �� - � UPTON BOTTOMS / ENHANCEMENT, ITCH NO. 1 r 1 '' , 1 6 i / MENDE[1 x r "> NO MITIGATION OVERBURDEN , �' r r r r r" r' r AREA s5 �rrr PT ,' As )AM' N If�Ci Jrf rr I I f \ l STOCKPILE / _ �. I i (APPROIT. � AIPPROX. LIMITS,' 8� 3 TOTAL A�NR E 10 Y _ / �— —G— —r,r_. ,r -� �;t A ES) �� I r fr 41 L / SEE NOTE IVERT DITCH - 0,0— ONU—_. ONU _ I — — — \ — _ i'� D RING MINING — — — — — — — — — a«r _ — — "- �., ,,.i �S _tE—NOTE 2) oxw__ ' au` _ LUPTON BOTT MS ` I DITCH BRANCH r r WETLANDS I I I ! PRESERVATION, 1 1 1 I ENHANCEMENT, AND \ l o l MITIGATION )"30 GRAPHIC SCALE ( IN FEET ) 1 inch = 200 ft. TYPICAL CROSS SECTION OF PIT EDGE SCALE: 1" =200' RESERVOIR SLURRY WATER SURFACE TOP OF WALL CUT (30 ") (SEE NOTE 6) PERMIT CONCURRENT BOUNDARY BACKFILLING AT 3:1 SLOPE BASE OF USING RESERVOIR OVERBURDEN FROM SITE III III III I _.III III III III III 'III II III III III II III III III III Ilf 111 I III III III I III III III- III III :III III IF . , I I I I I I I I I I I I I I I I I I I I I I l l I iii —iii III II Ili lil III III Ilf_III v ;� / \ BACK FI LL GROUND GROUND / III III I :III II III III I I I I III I III III -III III III- III- `'' /SHALE BEDROCK' SLURRY WALL KEYED INTO SHALE MIN. 3 FT. NOTES: 1. PLANT LOCATION MAY BE MOVED AS OPERATIONS PROGRESS. PLANT MAY BE LOCATED IN PIT BOTTOM AREA WHEN DRY MINING OPENS UP SUBSTANTIAL AREAS. 2. DURING MINING OF LUPTON BOTTOM DITCH AREA, DITCH WATER WILL BE DIVERTED, VIA A WEIR SYSTEM, TO DEWATERING DITCHES AND /OR SETTLING PONDS FOR CLARIFICATION PRIOR TO DISCHARGE. DIVERSION OF LUPTON BOTTOMS DITCH WILL TAKE PLACE IN STAGES, ALLOWING MINING TO POTENTIALLY PROCEED TO COMPLETION IN EAST CELL PRIOR TO REROUTING THE CHANNEL. ALL ISSUES RELATED TO DITCH OPERATIONS RESOLVED BY AGREEMENT OF THE APPLICANT AND THE DITCH COMPANY. (SEE APPENDIX B) 3. TOPOGRAPHICAL CONTOURS TAKEN FROM USGS FORT LUPTON COLORADO QUADRANGLE AT 10' CONTOUR INTERVALS AND INTERPOLATED AT 2' CONTOUR INTERVALS. 4. STOCKPILE LOCATIONS AND SIZE WILL VARY DURING THE COURSE OF OPERATIONS. STOCKPILE PLACEMENT WILL BE LIMITED TO DISTURBED AREAS. 5. THE LOCATION FOR THE SETTLING POND IS THE NORTHERN EDGE OF SITE. THE SETTLING POND AREA WILL MEET APPLICABLE STANDARDS AND REGULATIONS, TO KEEP SETTLING PONDS ABOVE PIT EDGE AT THE FINAL STAGE OF MINING, SETTLING PONDS MAY BE TEMPORARILY LOCATED TO THE TOP OF AN OVERBURDEN STOCKPILE OR BACKFILL IN AN AREA ALREADY MINED OUT WITHIN THE BASIN AREA. THE PIT FLOOR IMMEDIATELY BELOW THE SETTLING POND AREA WILL SUPPLY WATER FROM THE PIT THROUGH A PUMP OR - PUMPS. 6. SLURRY WALL OFFSETS WILL VARY. FINAL SLURRY WALL DESIGN AND DETAILS TO PROVIDED FOR DMG APPROVAL PRIOR TO INSTALLATION. 7. SAND AND GRAVEL RECOVERY IN THE SOUTHWEST CORNER OF THE MINED AREA MAY BE REDUCED IN SCOPE. THIS PLAN ILLUSTRATES A MAXIMUM IMPACT SCENARIO FOR PERMITTING AND BONDING PURPOSES. EXHIBIT C -3: MINING PLAN MAP RECEIVED OCT 19 2001 Division of Minerals and Geology 101111IIIII IIIII NI IIIII lil I IIIII IIIII IIII IIII 0 0 0 1 2 1 6 8 PL PROPERTY LINE \PERMITTED AREA — — — — — — PROPOSED MINING LIMITS SECTION LINE — — EXISTING MINING LIMITS WATERWAY DITCH — OHU— OHU— ON'] — OHU— OVERHEAD UTILITY — cis — UNDERGROUND GAS LINE UNDERGROUND FIBER OPTICS CABLE SLURRY WALL UNPAVED ROAD ----- - - - - -- EASEMENT EXISTING INTERMEDIATE CONTOURS �— EXISTING INDEX CONTOURS ®OIL /GAS OIL /GAS WELL AMENDED MINE AREA ''/ AGGREGATE STOCKPILE TOPSOIL STOCKPILE OVERBURDEN PILE NOTES: 1. PLANT LOCATION MAY BE MOVED AS OPERATIONS PROGRESS. PLANT MAY BE LOCATED IN PIT BOTTOM AREA WHEN DRY MINING OPENS UP SUBSTANTIAL AREAS. 2. DURING MINING OF LUPTON BOTTOM DITCH AREA, DITCH WATER WILL BE DIVERTED, VIA A WEIR SYSTEM, TO DEWATERING DITCHES AND /OR SETTLING PONDS FOR CLARIFICATION PRIOR TO DISCHARGE. DIVERSION OF LUPTON BOTTOMS DITCH WILL TAKE PLACE IN STAGES, ALLOWING MINING TO POTENTIALLY PROCEED TO COMPLETION IN EAST CELL PRIOR TO REROUTING THE CHANNEL. ALL ISSUES RELATED TO DITCH OPERATIONS RESOLVED BY AGREEMENT OF THE APPLICANT AND THE DITCH COMPANY. (SEE APPENDIX B) 3. TOPOGRAPHICAL CONTOURS TAKEN FROM USGS FORT LUPTON COLORADO QUADRANGLE AT 10' CONTOUR INTERVALS AND INTERPOLATED AT 2' CONTOUR INTERVALS. 4. STOCKPILE LOCATIONS AND SIZE WILL VARY DURING THE COURSE OF OPERATIONS. STOCKPILE PLACEMENT WILL BE LIMITED TO DISTURBED AREAS. 5. THE LOCATION FOR THE SETTLING POND IS THE NORTHERN EDGE OF SITE. THE SETTLING POND AREA WILL MEET APPLICABLE STANDARDS AND REGULATIONS, TO KEEP SETTLING PONDS ABOVE PIT EDGE AT THE FINAL STAGE OF MINING, SETTLING PONDS MAY BE TEMPORARILY LOCATED TO THE TOP OF AN OVERBURDEN STOCKPILE OR BACKFILL IN AN AREA ALREADY MINED OUT WITHIN THE BASIN AREA. THE PIT FLOOR IMMEDIATELY BELOW THE SETTLING POND AREA WILL SUPPLY WATER FROM THE PIT THROUGH A PUMP OR - PUMPS. 6. SLURRY WALL OFFSETS WILL VARY. FINAL SLURRY WALL DESIGN AND DETAILS TO PROVIDED FOR DMG APPROVAL PRIOR TO INSTALLATION. 7. SAND AND GRAVEL RECOVERY IN THE SOUTHWEST CORNER OF THE MINED AREA MAY BE REDUCED IN SCOPE. THIS PLAN ILLUSTRATES A MAXIMUM IMPACT SCENARIO FOR PERMITTING AND BONDING PURPOSES. EXHIBIT C -3: MINING PLAN MAP RECEIVED OCT 19 2001 Division of Minerals and Geology 101111IIIII IIIII NI IIIII lil I IIIII IIIII IIII IIII 0 0 0 1 2 1 6 8