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500 0 500 1000 <br />SCALE:ft <br />r� <br />AP009 [5,500SFxl FD nom] 3.9 AF <br />Operations Basin PG -1 <br />E.O.Pit PostMining <br />0 <br />North Cresson Mine <br />Schist Island <br />\ Edge of Pit <br />.D <br />1 <br />EMP9 <br />56.6 Acre 71 cfs <br />33 cf <br />33 cfs 3.9 AcreFeet <br />0 <br />EM P 8 a <br />it <br />NC-a <br />GHl cre <br />` 25 Acre <br />0.2 AcreFeet <br />Nc -2 <br />29.4 Acrc22 ds <br />in nfs 2.0 AcreFeot <br />EMP8b _ <br />SGOSAExt ® "` N C <br />FSC 51.5 Acre50 cfs <br />27 c(a 3.5 Ac <br />EMP008b /[9,1005 Fx15'D n I /o) lm] 5.5 AF Noa <br />Operations West Flank of Poverty GI. "YOU <br />and North Cresson <br />Edge of Pit Post - Reclamation ♦ ____ <br />P J 9laaM <br />,�%� f ���/ �� ♦ 91 . cfs 41 Ufa <br />41 4 <br />/ 20 cfs 3.1 AcreFeet <br />1 <br />Additional Runoff to EMP007 from-- ---��� <br />North Squaw Gulch and SGOSAExt 5.9 AF <br />Total Runoff for 2 x 10 yr = 15.3 AF <br />or T6 6 AF for 10 -yr Flow <br />Am 8 Capacity 7 Ac Feet <br />Spillway Connection or <br />Optional Flow Connection <br />y Channel Flow <br />1 Overland Flow <br />Spillway Connection or <br />�► Optional Flow Connection <br />NSGOSA -1 <br />45 Acre 38 cfs <br />I <br />(EMP7 <br />1 <br />EMP16 [8,500SgFt x1 5'D nom] 5.2 AF <br />Operations Basins ECWH -2 <br />/EMP10 [5,630 SgFt x15'D nom] 3.9 AF and ECOBSA -3 Final Pond % <br />Temporary to Serve for OBSA Basin 3, with linkage <br />Development, Not Needed from OBSABasin 1 to EMP14 <br />after Reclamation Edge of Pit <br />l 9 EMP10 <br />Edge of Pit -- <br />.. <br />Wx-A t <br />69.7 r <br />69.7 Ac e44 cfs y <br />/, 22 o(s 4.8 AcreFeet cV <br />zs acre 4.z ors <br />2.3 cfs 0.5 AcFt <br />w e- ♦ � w9ra <br />/_Elge <br />of Pit <br />r E IH s9rs� 1 7 . ore 46UM8L <br />AcFt V <br />�c Edge of Pit \ 99, <br />GHlnt -1 '- 'NCresson <br />52.5 Acre <br />0.4 AcreFeot <br />1 r. <br />EMP15 <br />EMP015 [44,997SF base x15'D nom] 20.2 AF <br />Operations Basin ECWH -3 & ECOBSA-1 <br />1` \♦ Final Detention for ECOBSA Basinl ° <br />Globe Hill Enclosed Detention <br />Basins with no surface outlet <br />Drain to Diatreme or Mine <br />S ECWH -3 <br />112 Acre �;� , <br />ECOSA1c <br />Edge of Pit 55.4 Ac <br />�e� --}..� \ ECOSA -1 (Total) <br />i, <br />I 1 i i 120.6 Ac <br />EMP17 Terminal Pond for <br />Development and <br />Post - Reclamation <br />(OBSABasin2), Maximize <br />use of Cameron Ponds <br />and Construct <br />Emergency Spillway <br />Target Size = 11.5 Ac Ft <br />for Development <br />23,000SgFt x1 5'D nom] <br />r. <br />EMP16 <br />ECOSAU <br />y 21.8 Ac <br />Ac <br />ECOSA -3 (Total) <br />39 Acre <br />,cosA2e r� <br />((26 �22 Ac <br />Channel Dimensions <br />Channei hannel 10-Y 100- Avg. 48ott Depth RivRap <br />ID Name Flow Flow Slope W/tl1h (11) (it) 50(nom) <br />(Ws) (of$) N) <br />TUX- 2ff 65 50 8 1J 6 <br />17 EC-9 2 10 1.0 6 1.5 6 <br />1541 EC -C 21 49 6.0 8 1.5 6 <br />14 EC -D 21 49 10.0 8 1.5 6 <br />1 WH -A 2 5 4.0 3 1.0 Grass <br />2 WH-B 14 53 5.0 6 1.0 Grass <br />12 WH -C 21 59 5.0 6 2.0 6 <br />6 WH -D 5 21 8.0 5 1.5 3 <br />8 WH -E 25 61 8.0 8 1.5 6 <br />N-1 NCA 20 46 3.8 4 1.5 9 <br />N -1 NC -S 5 10 3.8 4 1.5 9 <br />SG-1 NC -C 10 22 3.0 3 1.5 9 <br />$G-3 NC -D 27 50 3.0 310 1.5 9 <br />PG-A Berm Berm 6 <br />N-3 PG.B 33 71 18 6 1.5 <br />PG.0 Berm Berm 12 <br />SG -5 NSG.A 10 20 5 4 1.5 12 <br />SG-S NSG -B 20 41 5 4 1.5 12 <br />SC-6 SG -C 40 80 2 6 2 12 <br />SG-6 SO 0 40 60 1 8 2 12 <br />-- Bench 16 30 1.0 4 2.5 Gress <br />f <br />Depth <br />EMP17 <br />63 Acre 2 (Total) <br />'y 63 Acre <br />\ \ \ECOa A1b, � <br />BrBA <br />Tributary to <br />GHlnt -3 � 0�\ 34.6 Acre Mine Area and . . 9A 0.7 AoreFeet M/► w� s <br />_ _r Diatreme \� s <br />1t� 'Note: Perimeter of Mine Area ,\ <br />Expands outward during push -back and strippingA.L <�! <br />~y <br />operations, decreasing Storm Water Basin areas <br />1., <br />'brs <br />� r <br />Storm Water Management Area <br />North Cresson and Poverty Gulch <br />Basin Basin Basin Storm Water Management Area <br />NC i PG -1 NC -2 Basin East Cresson & Wild Horse <br />ECWH-4 Basin h.EC1a Basin Ch.EC1b Basin <br />Ch.NCA Ch.NC -C COSA1 COSA1 COSA <br />� Ch.PG -B Ch. <br />EMP -008a Basin Basin Ch.EC1c Basin <br />° 3.8 AF EC -1 ECWH -3 Ch. WH -C EC01H -2 <br />[EC <br />Upper <br />Spillway Basin Ch.WH -B <br />EMP -009 Basin Spillway <br />NC -3 EMP -015 _ <br />3, 9 AF EMP -010 Lowal 20.3 AF <br />Lower <br />° h.NSG- 3.94E Ch.W <br />+Ch.NSG-C asin EMP -08b Basin OOS-2 554E �y�016 J.Ta COSA3 Ch.NSG -B Spillway 52 AF Spill ay Ch.ECB <br />w <br />Interior, Temporary Channel FSC Final Surface Contours m Channel Name <br />that Facilitates Operations (After Reclamation) 10ajTDischarge (ors) <br />PMT Post - mining Topography 10-yr Discharge (Cle) <br />Basin Boundary (Pre - Reclamation) �� Be -Amendment Ara, 6 Basin (Golder) <br />�- tL�����9asln Area (Acres) <br />Basin Name <br />Mine Pit Edge Ec SA-2 <br />(End of Mine Area ib1Are]2O( 100yrDischarge <br />) 10yr Discharge 41cfs 10 ACrePSao 2x 10yr Volume <br />Cresson Mine <br />CrippleCreek &Victor Gold Mining Co., Victor, CO <br />Mine Life Extension <br />Storm Water Management <br />During Operations <br />Width <br />ing: Mirifi Drain Fabric <br />or 6" well graded cobble <br />to sand crushed stone. <br />Basin <br />;OSAZ <br />Ch.EC2e <br />Basin <br />EC2b <br />11.5AF <br />Fbd <br />6 "min @ <br />o,�o. <br />Enclosed Basins Draining <br />to Mine or Diatreme <br />Basin <br />GH -1 <br />Basin <br />GH -2 <br />Basin <br />GH -3 <br />Steffens and Associates, Inc. <br />Water Resources. Environmental - Mining Engineering <br />golden CO 80403 - 303.216.1801 - Fax:303.273.8884 <br />CLIENT: AngloGold NA <br />Alt. Drawing Number Scale I DRAWING NO. <br />Noted CCVA9 -SA' <br />1 <br />Vo I V-9- 'tip q;_ lq-pp oci <br />EMP008a [5,500SFxl5'D nom] 3.8 AF <br />Operations Basin NC -1 <br />Not Required Post Reclamation <br />E <br />End N Cresson Pit <br />Begin / <br />/ S <br />PMT <br />I P <br />EMP9 <br />56.6 Acre 71 cfs <br />33 cf <br />33 cfs 3.9 AcreFeet <br />0 <br />EM P 8 a <br />it <br />NC-a <br />GHl cre <br />` 25 Acre <br />0.2 AcreFeet <br />Nc -2 <br />29.4 Acrc22 ds <br />in nfs 2.0 AcreFeot <br />EMP8b _ <br />SGOSAExt ® "` N C <br />FSC 51.5 Acre50 cfs <br />27 c(a 3.5 Ac <br />EMP008b /[9,1005 Fx15'D n I /o) lm] 5.5 AF Noa <br />Operations West Flank of Poverty GI. "YOU <br />and North Cresson <br />Edge of Pit Post - Reclamation ♦ ____ <br />P J 9laaM <br />,�%� f ���/ �� ♦ 91 . cfs 41 Ufa <br />41 4 <br />/ 20 cfs 3.1 AcreFeet <br />1 <br />Additional Runoff to EMP007 from-- ---��� <br />North Squaw Gulch and SGOSAExt 5.9 AF <br />Total Runoff for 2 x 10 yr = 15.3 AF <br />or T6 6 AF for 10 -yr Flow <br />Am 8 Capacity 7 Ac Feet <br />Spillway Connection or <br />Optional Flow Connection <br />y Channel Flow <br />1 Overland Flow <br />Spillway Connection or <br />�► Optional Flow Connection <br />NSGOSA -1 <br />45 Acre 38 cfs <br />I <br />(EMP7 <br />1 <br />EMP16 [8,500SgFt x1 5'D nom] 5.2 AF <br />Operations Basins ECWH -2 <br />/EMP10 [5,630 SgFt x15'D nom] 3.9 AF and ECOBSA -3 Final Pond % <br />Temporary to Serve for OBSA Basin 3, with linkage <br />Development, Not Needed from OBSABasin 1 to EMP14 <br />after Reclamation Edge of Pit <br />l 9 EMP10 <br />Edge of Pit -- <br />.. <br />Wx-A t <br />69.7 r <br />69.7 Ac e44 cfs y <br />/, 22 o(s 4.8 AcreFeet cV <br />zs acre 4.z ors <br />2.3 cfs 0.5 AcFt <br />w e- ♦ � w9ra <br />/_Elge <br />of Pit <br />r E IH s9rs� 1 7 . ore 46UM8L <br />AcFt V <br />�c Edge of Pit \ 99, <br />GHlnt -1 '- 'NCresson <br />52.5 Acre <br />0.4 AcreFeot <br />1 r. <br />EMP15 <br />EMP015 [44,997SF base x15'D nom] 20.2 AF <br />Operations Basin ECWH -3 & ECOBSA-1 <br />1` \♦ Final Detention for ECOBSA Basinl ° <br />Globe Hill Enclosed Detention <br />Basins with no surface outlet <br />Drain to Diatreme or Mine <br />S ECWH -3 <br />112 Acre �;� , <br />ECOSA1c <br />Edge of Pit 55.4 Ac <br />�e� --}..� \ ECOSA -1 (Total) <br />i, <br />I 1 i i 120.6 Ac <br />EMP17 Terminal Pond for <br />Development and <br />Post - Reclamation <br />(OBSABasin2), Maximize <br />use of Cameron Ponds <br />and Construct <br />Emergency Spillway <br />Target Size = 11.5 Ac Ft <br />for Development <br />23,000SgFt x1 5'D nom] <br />r. <br />EMP16 <br />ECOSAU <br />y 21.8 Ac <br />Ac <br />ECOSA -3 (Total) <br />39 Acre <br />,cosA2e r� <br />((26 �22 Ac <br />Channel Dimensions <br />Channei hannel 10-Y 100- Avg. 48ott Depth RivRap <br />ID Name Flow Flow Slope W/tl1h (11) (it) 50(nom) <br />(Ws) (of$) N) <br />TUX- 2ff 65 50 8 1J 6 <br />17 EC-9 2 10 1.0 6 1.5 6 <br />1541 EC -C 21 49 6.0 8 1.5 6 <br />14 EC -D 21 49 10.0 8 1.5 6 <br />1 WH -A 2 5 4.0 3 1.0 Grass <br />2 WH-B 14 53 5.0 6 1.0 Grass <br />12 WH -C 21 59 5.0 6 2.0 6 <br />6 WH -D 5 21 8.0 5 1.5 3 <br />8 WH -E 25 61 8.0 8 1.5 6 <br />N-1 NCA 20 46 3.8 4 1.5 9 <br />N -1 NC -S 5 10 3.8 4 1.5 9 <br />SG-1 NC -C 10 22 3.0 3 1.5 9 <br />$G-3 NC -D 27 50 3.0 310 1.5 9 <br />PG-A Berm Berm 6 <br />N-3 PG.B 33 71 18 6 1.5 <br />PG.0 Berm Berm 12 <br />SG -5 NSG.A 10 20 5 4 1.5 12 <br />SG-S NSG -B 20 41 5 4 1.5 12 <br />SC-6 SG -C 40 80 2 6 2 12 <br />SG-6 SO 0 40 60 1 8 2 12 <br />-- Bench 16 30 1.0 4 2.5 Gress <br />f <br />Depth <br />EMP17 <br />63 Acre 2 (Total) <br />'y 63 Acre <br />\ \ \ECOa A1b, � <br />BrBA <br />Tributary to <br />GHlnt -3 � 0�\ 34.6 Acre Mine Area and . . 9A 0.7 AoreFeet M/► w� s <br />_ _r Diatreme \� s <br />1t� 'Note: Perimeter of Mine Area ,\ <br />Expands outward during push -back and strippingA.L <�! <br />~y <br />operations, decreasing Storm Water Basin areas <br />1., <br />'brs <br />� r <br />Storm Water Management Area <br />North Cresson and Poverty Gulch <br />Basin Basin Basin Storm Water Management Area <br />NC i PG -1 NC -2 Basin East Cresson & Wild Horse <br />ECWH-4 Basin h.EC1a Basin Ch.EC1b Basin <br />Ch.NCA Ch.NC -C COSA1 COSA1 COSA <br />� Ch.PG -B Ch. <br />EMP -008a Basin Basin Ch.EC1c Basin <br />° 3.8 AF EC -1 ECWH -3 Ch. WH -C EC01H -2 <br />[EC <br />Upper <br />Spillway Basin Ch.WH -B <br />EMP -009 Basin Spillway <br />NC -3 EMP -015 _ <br />3, 9 AF EMP -010 Lowal 20.3 AF <br />Lower <br />° h.NSG- 3.94E Ch.W <br />+Ch.NSG-C asin EMP -08b Basin OOS-2 554E �y�016 J.Ta COSA3 Ch.NSG -B Spillway 52 AF Spill ay Ch.ECB <br />w <br />Interior, Temporary Channel FSC Final Surface Contours m Channel Name <br />that Facilitates Operations (After Reclamation) 10ajTDischarge (ors) <br />PMT Post - mining Topography 10-yr Discharge (Cle) <br />Basin Boundary (Pre - Reclamation) �� Be -Amendment Ara, 6 Basin (Golder) <br />�- tL�����9asln Area (Acres) <br />Basin Name <br />Mine Pit Edge Ec SA-2 <br />(End of Mine Area ib1Are]2O( 100yrDischarge <br />) 10yr Discharge 41cfs 10 ACrePSao 2x 10yr Volume <br />Cresson Mine <br />CrippleCreek &Victor Gold Mining Co., Victor, CO <br />Mine Life Extension <br />Storm Water Management <br />During Operations <br />Width <br />ing: Mirifi Drain Fabric <br />or 6" well graded cobble <br />to sand crushed stone. <br />Basin <br />;OSAZ <br />Ch.EC2e <br />Basin <br />EC2b <br />11.5AF <br />Fbd <br />6 "min @ <br />o,�o. <br />Enclosed Basins Draining <br />to Mine or Diatreme <br />Basin <br />GH -1 <br />Basin <br />GH -2 <br />Basin <br />GH -3 <br />Steffens and Associates, Inc. <br />Water Resources. Environmental - Mining Engineering <br />golden CO 80403 - 303.216.1801 - Fax:303.273.8884 <br />CLIENT: AngloGold NA <br />Alt. Drawing Number Scale I DRAWING NO. <br />Noted CCVA9 -SA' <br />1 <br />Vo I V-9- 'tip q;_ lq-pp oci <br />NSGOSA -1 <br />45 Acre 38 cfs <br />I <br />(EMP7 <br />1 <br />EMP16 [8,500SgFt x1 5'D nom] 5.2 AF <br />Operations Basins ECWH -2 <br />/EMP10 [5,630 SgFt x15'D nom] 3.9 AF and ECOBSA -3 Final Pond % <br />Temporary to Serve for OBSA Basin 3, with linkage <br />Development, Not Needed from OBSABasin 1 to EMP14 <br />after Reclamation Edge of Pit <br />l 9 EMP10 <br />Edge of Pit -- <br />.. <br />Wx-A t <br />69.7 r <br />69.7 Ac e44 cfs y <br />/, 22 o(s 4.8 AcreFeet cV <br />zs acre 4.z ors <br />2.3 cfs 0.5 AcFt <br />w e- ♦ � w9ra <br />/_Elge <br />of Pit <br />r E IH s9rs� 1 7 . ore 46UM8L <br />AcFt V <br />�c Edge of Pit \ 99, <br />GHlnt -1 '- 'NCresson <br />52.5 Acre <br />0.4 AcreFeot <br />1 r. <br />EMP15 <br />EMP015 [44,997SF base x15'D nom] 20.2 AF <br />Operations Basin ECWH -3 & ECOBSA-1 <br />1` \♦ Final Detention for ECOBSA Basinl ° <br />Globe Hill Enclosed Detention <br />Basins with no surface outlet <br />Drain to Diatreme or Mine <br />S ECWH -3 <br />112 Acre �;� , <br />ECOSA1c <br />Edge of Pit 55.4 Ac <br />�e� --}..� \ ECOSA -1 (Total) <br />i, <br />I 1 i i 120.6 Ac <br />EMP17 Terminal Pond for <br />Development and <br />Post - Reclamation <br />(OBSABasin2), Maximize <br />use of Cameron Ponds <br />and Construct <br />Emergency Spillway <br />Target Size = 11.5 Ac Ft <br />for Development <br />23,000SgFt x1 5'D nom] <br />r. <br />EMP16 <br />ECOSAU <br />y 21.8 Ac <br />Ac <br />ECOSA -3 (Total) <br />39 Acre <br />,cosA2e r� <br />((26 �22 Ac <br />Channel Dimensions <br />Channei hannel 10-Y 100- Avg. 48ott Depth RivRap <br />ID Name Flow Flow Slope W/tl1h (11) (it) 50(nom) <br />(Ws) (of$) N) <br />TUX- 2ff 65 50 8 1J 6 <br />17 EC-9 2 10 1.0 6 1.5 6 <br />1541 EC -C 21 49 6.0 8 1.5 6 <br />14 EC -D 21 49 10.0 8 1.5 6 <br />1 WH -A 2 5 4.0 3 1.0 Grass <br />2 WH-B 14 53 5.0 6 1.0 Grass <br />12 WH -C 21 59 5.0 6 2.0 6 <br />6 WH -D 5 21 8.0 5 1.5 3 <br />8 WH -E 25 61 8.0 8 1.5 6 <br />N-1 NCA 20 46 3.8 4 1.5 9 <br />N -1 NC -S 5 10 3.8 4 1.5 9 <br />SG-1 NC -C 10 22 3.0 3 1.5 9 <br />$G-3 NC -D 27 50 3.0 310 1.5 9 <br />PG-A Berm Berm 6 <br />N-3 PG.B 33 71 18 6 1.5 <br />PG.0 Berm Berm 12 <br />SG -5 NSG.A 10 20 5 4 1.5 12 <br />SG-S NSG -B 20 41 5 4 1.5 12 <br />SC-6 SG -C 40 80 2 6 2 12 <br />SG-6 SO 0 40 60 1 8 2 12 <br />-- Bench 16 30 1.0 4 2.5 Gress <br />f <br />Depth <br />EMP17 <br />63 Acre 2 (Total) <br />'y 63 Acre <br />\ \ \ECOa A1b, � <br />BrBA <br />Tributary to <br />GHlnt -3 � 0�\ 34.6 Acre Mine Area and . . 9A 0.7 AoreFeet M/► w� s <br />_ _r Diatreme \� s <br />1t� 'Note: Perimeter of Mine Area ,\ <br />Expands outward during push -back and strippingA.L <�! <br />~y <br />operations, decreasing Storm Water Basin areas <br />1., <br />'brs <br />� r <br />Storm Water Management Area <br />North Cresson and Poverty Gulch <br />Basin Basin Basin Storm Water Management Area <br />NC i PG -1 NC -2 Basin East Cresson & Wild Horse <br />ECWH-4 Basin h.EC1a Basin Ch.EC1b Basin <br />Ch.NCA Ch.NC -C COSA1 COSA1 COSA <br />� Ch.PG -B Ch. <br />EMP -008a Basin Basin Ch.EC1c Basin <br />° 3.8 AF EC -1 ECWH -3 Ch. WH -C EC01H -2 <br />[EC <br />Upper <br />Spillway Basin Ch.WH -B <br />EMP -009 Basin Spillway <br />NC -3 EMP -015 _ <br />3, 9 AF EMP -010 Lowal 20.3 AF <br />Lower <br />° h.NSG- 3.94E Ch.W <br />+Ch.NSG-C asin EMP -08b Basin OOS-2 554E �y�016 J.Ta COSA3 Ch.NSG -B Spillway 52 AF Spill ay Ch.ECB <br />w <br />Interior, Temporary Channel FSC Final Surface Contours m Channel Name <br />that Facilitates Operations (After Reclamation) 10ajTDischarge (ors) <br />PMT Post - mining Topography 10-yr Discharge (Cle) <br />Basin Boundary (Pre - Reclamation) �� Be -Amendment Ara, 6 Basin (Golder) <br />�- tL�����9asln Area (Acres) <br />Basin Name <br />Mine Pit Edge Ec SA-2 <br />(End of Mine Area ib1Are]2O( 100yrDischarge <br />) 10yr Discharge 41cfs 10 ACrePSao 2x 10yr Volume <br />Cresson Mine <br />CrippleCreek &Victor Gold Mining Co., Victor, CO <br />Mine Life Extension <br />Storm Water Management <br />During Operations <br />Width <br />ing: Mirifi Drain Fabric <br />or 6" well graded cobble <br />to sand crushed stone. <br />Basin <br />;OSAZ <br />Ch.EC2e <br />Basin <br />EC2b <br />11.5AF <br />Fbd <br />6 "min @ <br />o,�o. <br />Enclosed Basins Draining <br />to Mine or Diatreme <br />Basin <br />GH -1 <br />Basin <br />GH -2 <br />Basin <br />GH -3 <br />Steffens and Associates, Inc. <br />Water Resources. Environmental - Mining Engineering <br />golden CO 80403 - 303.216.1801 - Fax:303.273.8884 <br />CLIENT: AngloGold NA <br />Alt. Drawing Number Scale I DRAWING NO. <br />Noted CCVA9 -SA' <br />1 <br />Vo I V-9- 'tip q;_ lq-pp oci <br />f <br />Depth <br />EMP17 <br />63 Acre 2 (Total) <br />'y 63 Acre <br />\ \ \ECOa A1b, � <br />BrBA <br />Tributary to <br />GHlnt -3 � 0�\ 34.6 Acre Mine Area and . . 9A 0.7 AoreFeet M/► w� s <br />_ _r Diatreme \� s <br />1t� 'Note: Perimeter of Mine Area ,\ <br />Expands outward during push -back and strippingA.L <�! <br />~y <br />operations, decreasing Storm Water Basin areas <br />1., <br />'brs <br />� r <br />Storm Water Management Area <br />North Cresson and Poverty Gulch <br />Basin Basin Basin Storm Water Management Area <br />NC i PG -1 NC -2 Basin East Cresson & Wild Horse <br />ECWH-4 Basin h.EC1a Basin Ch.EC1b Basin <br />Ch.NCA Ch.NC -C COSA1 COSA1 COSA <br />� Ch.PG -B Ch. <br />EMP -008a Basin Basin Ch.EC1c Basin <br />° 3.8 AF EC -1 ECWH -3 Ch. WH -C EC01H -2 <br />[EC <br />Upper <br />Spillway Basin Ch.WH -B <br />EMP -009 Basin Spillway <br />NC -3 EMP -015 _ <br />3, 9 AF EMP -010 Lowal 20.3 AF <br />Lower <br />° h.NSG- 3.94E Ch.W <br />+Ch.NSG-C asin EMP -08b Basin OOS-2 554E �y�016 J.Ta COSA3 Ch.NSG -B Spillway 52 AF Spill ay Ch.ECB <br />w <br />Interior, Temporary Channel FSC Final Surface Contours m Channel Name <br />that Facilitates Operations (After Reclamation) 10ajTDischarge (ors) <br />PMT Post - mining Topography 10-yr Discharge (Cle) <br />Basin Boundary (Pre - Reclamation) �� Be -Amendment Ara, 6 Basin (Golder) <br />�- tL�����9asln Area (Acres) <br />Basin Name <br />Mine Pit Edge Ec SA-2 <br />(End of Mine Area ib1Are]2O( 100yrDischarge <br />) 10yr Discharge 41cfs 10 ACrePSao 2x 10yr Volume <br />Cresson Mine <br />CrippleCreek &Victor Gold Mining Co., Victor, CO <br />Mine Life Extension <br />Storm Water Management <br />During Operations <br />Width <br />ing: Mirifi Drain Fabric <br />or 6" well graded cobble <br />to sand crushed stone. <br />Basin <br />;OSAZ <br />Ch.EC2e <br />Basin <br />EC2b <br />11.5AF <br />Fbd <br />6 "min @ <br />o,�o. <br />Enclosed Basins Draining <br />to Mine or Diatreme <br />Basin <br />GH -1 <br />Basin <br />GH -2 <br />Basin <br />GH -3 <br />Steffens and Associates, Inc. <br />Water Resources. Environmental - Mining Engineering <br />golden CO 80403 - 303.216.1801 - Fax:303.273.8884 <br />CLIENT: AngloGold NA <br />Alt. Drawing Number Scale I DRAWING NO. <br />Noted CCVA9 -SA' <br />1 <br />Vo I V-9- 'tip q;_ lq-pp oci <br />Cresson Mine <br />CrippleCreek &Victor Gold Mining Co., Victor, CO <br />Mine Life Extension <br />Storm Water Management <br />During Operations <br />Width <br />ing: Mirifi Drain Fabric <br />or 6" well graded cobble <br />to sand crushed stone. <br />Basin <br />;OSAZ <br />Ch.EC2e <br />Basin <br />EC2b <br />11.5AF <br />Fbd <br />6 "min @ <br />o,�o. <br />Enclosed Basins Draining <br />to Mine or Diatreme <br />Basin <br />GH -1 <br />Basin <br />GH -2 <br />Basin <br />GH -3 <br />Steffens and Associates, Inc. <br />Water Resources. Environmental - Mining Engineering <br />golden CO 80403 - 303.216.1801 - Fax:303.273.8884 <br />CLIENT: AngloGold NA <br />Alt. Drawing Number Scale I DRAWING NO. <br />Noted CCVA9 -SA' <br />1 <br />Vo I V-9- 'tip q;_ lq-pp oci <br />