Brief History of HBMS in the Chisel Basin • In 1988 the Chisel Lake Mine was expanded with the development of the open pit development of the open pit • Open pit was closed in 1994, and was followed by the opening of the Photo Lake Mine located 3 km east of the Chisel open pit east of the Chisel open pit • Stall Lake Concentrator shut down in 1993, but re- opened in 1994 to process ore from the Photo Lake opened in 1994 to process ore from the Photo Lake Mine
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Brief History of HBMS in the Chisel Basin
• In 1988 the Chisel Lake Mine was expanded with the development of the open pit
• In 1988 the Chisel Lake Mine was expanded with the development of the open pit
• Open pit was closed in 1994, and was followed by the opening of the Photo Lake Mine located 3 km east of the Chisel open pitthe opening of the Photo Lake Mine located 3 km east of the Chisel open pit
• Stall Lake Concentrator shut down in 1993, but re-opened in 1994 to process ore from the Photo Lake opened in 1994 to process ore from the Photo Lake Mine
Brief History of HBMS in the Chisel Basin
• Between 1998 and 2000, a decline ramp was driven from the bottom of the Photo Lake Mine to the from the bottom of the Photo Lake Mine to the current Chisel North Mine
• Chisel North Mine has been in operation since 2000, • Chisel North Mine has been in operation since 2000, but experienced a temporary “shut-down” from February 2009 to March 2010
• Ore depletion at Chisel North expected to occur in • Ore depletion at Chisel North expected to occur in 2012
Brief History of HBMS in the Chisel Basin
Location of Lalor Mine Site
Support Facilities in Operation Today
• Stall Lake Concentrator
• Anderson Tailings Impoundment Area (TIA)
• Chisel Lake Water Treatment Plant
• Pumphouses at Chisel, Ghost and Snow Lake
• Waste Disposal Facilities at Chisel North and Stall Lake
• Each facility operating under existing regulatory approvals
Support Facilities in Operation Today
Chisel Lake Open Pit Stall Lake Concentrator
Chisel Water Treatment Plant Anderson Tailings Impoundment Area