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1. <br />r <br />I <br />I, <br />i' <br />I <br />t, <br />I(� <br />I <br />h <br />m <br />h <br />A ED <br />DO <br />KIN <br />2 <br />Q Go <br />m <br />Y <br />. ✓gyp 9 Vl.S'�. <br />V. <br />�• i� ,Ili.! / / <br />�..• \ \ \� �\�1�� � \ \tl��rv��/I! il�ll il'll VIII �// / /-I <br />A <br />8860 <br />8850 <br />F- <br />w <br />w <br />LL efi<o <br />O <br />Q <br />W eB3o <br />IM <br />8820 <br />BBIO I <br />DRAINAGE FROM <br />DRAIN PIPE TO TOE STREAM CHANN <br />AREA OF DAM <br />SUMP AND <br />SETTLING TANK PUMPHOUSE <br />DRAINAGE TRENCH1j 60•V -NOTCH WEIR <br />DRAINAGE PIPE - - -- - -- <br />S <br />PLAN VIEW - SECTION A -A' <br />SCALE <br />]0 0 NO AO FEET <br />MI v" 1 <br />1 <br />b , <br />l / <br />ROAD TO TOP <br />OF DAM <br />lI 1 <br />NOTE• <br />SEE DETAILS OF DRAINAGE TRENCH, <br />9LVRRY WALL, SUMP AND PVMPMDUEE <br />, ON FIGURE S. <br />PIPELINE TO <br />—7 LOWER TAILINGS POND <br />SPILLWAY, RIPRAPPED <br />_ H00 <br />_I <br />��SLURRY WALL <br />29 <br />P -11 <br />A' <br />- <br />.1 <br />P -19 <br />21 <br />8860 <br />\ .. <br />REFERENCE <br />J, <br />3' <br />SPILLWAY RIPRAPPED <br />PLAN <br />TOPOGRAPHY PROVIDED BY <br />- <br />EL RB <br />SCALE <br />HOMESTAKE MINING COMPANY, <br />COMPACTED FILL <br />�..y \S.JJ lf- U-- .- �.y -•-. �..^,.+- %- ..y...i <br />flB• <br />T +r>_- >•raT -� • '�' <br />o pmj <br />w <br />BBAO w <br />- <br />LOWEN TAILING$ DAM <br />SCALE 1- • 200', DATED: 1-4-62 <br />- <br />200 <br />0 200 .OD FEET <br />A <br />8860 <br />8850 <br />F- <br />w <br />w <br />LL efi<o <br />O <br />Q <br />W eB3o <br />IM <br />8820 <br />BBIO I <br />DRAINAGE FROM <br />DRAIN PIPE TO TOE STREAM CHANN <br />AREA OF DAM <br />SUMP AND <br />SETTLING TANK PUMPHOUSE <br />DRAINAGE TRENCH1j 60•V -NOTCH WEIR <br />DRAINAGE PIPE - - -- - -- <br />S <br />PLAN VIEW - SECTION A -A' <br />SCALE <br />]0 0 NO AO FEET <br />MI v" 1 <br />1 <br />b , <br />l / <br />ROAD TO TOP <br />OF DAM <br />lI 1 <br />NOTE• <br />SEE DETAILS OF DRAINAGE TRENCH, <br />9LVRRY WALL, SUMP AND PVMPMDUEE <br />, ON FIGURE S. <br />PIPELINE TO <br />—7 LOWER TAILINGS POND <br />SPILLWAY, RIPRAPPED <br />_ H00 <br />_I <br />��SLURRY WALL <br />0. 30 O1.0 0.90 <br />8820 <br />1 BB10 <br />•20 I.50 I..0 2.10 2..0 2.10 .... .... "0 ] -VO 4 <br />SECTION A -A' <br />HORIZONTAL SCALE VERTICAL 57A'P <br />IVERTICAL E.AGGE NATION l.) <br />1C 6C EI L1 iC !'. F. )O ELE' <br />T <br />KEY TO MONITORING WELLS <br />PIEZOMETER NO. SAMPLE POINT NO <br />P -L. <br />29 <br />P -11 <br />A' <br />- <br />.1 <br />P -19 <br />21 <br />8860 <br />\ .. <br />PUMPHOUSE <br />J, <br />3' <br />SPILLWAY RIPRAPPED <br />8850 <br />EL SAPP <br />EL RB <br />P- <br />-�, <br />COMPACTED FILL <br />�..y \S.JJ lf- U-- .- �.y -•-. �..^,.+- %- ..y...i <br />flB• <br />T +r>_- >•raT -� • '�' <br />o pmj <br />w <br />BBAO w <br />Wn <br />HOMESTAKE MINING COMPANY <br />CREEDE, COLORADO <br />111JL .`.'ua A ®Ilh LPL �I V �C 1� <br />/ <br />z <br />SOIL - BENTONITE <br />' <br />SLURRY WALL" <br />• <br />8830 <br />/ . <br />/ / <br />- <br />W <br />J <br />SLURRY WALL KEYED <br />IN <br />INTO COMPETENT ROCK <br />0. 30 O1.0 0.90 <br />8820 <br />1 BB10 <br />•20 I.50 I..0 2.10 2..0 2.10 .... .... "0 ] -VO 4 <br />SECTION A -A' <br />HORIZONTAL SCALE VERTICAL 57A'P <br />IVERTICAL E.AGGE NATION l.) <br />1C 6C EI L1 iC !'. F. )O ELE' <br />T <br />KEY TO MONITORING WELLS <br />PIEZOMETER NO. SAMPLE POINT NO <br />P -L. <br />29 <br />P -11 <br />SO <br />v -le <br />.1 <br />P -19 <br />21 <br />v -20 <br />2E <br />ryl <br />I ( VO4 o < <br />APR 3 0 1996 <br />Division of Minerals a Ueoio <br />Figure 15 <br />GENERAL LAYOUT <br />REMEDIAL MEASURES FOR <br />LOWER TAILINGS DAM <br />_cy, <br />=1c <br />PREPARED FOR <br />o pmj <br />Wn <br />HOMESTAKE MINING COMPANY <br />CREEDE, COLORADO <br />111JL .`.'ua A ®Ilh LPL �I V �C 1� <br />