Presented by The British Columbia Technical and Research Committee on Reclamation 34 th Annual Mine Reclamation Symposium September 22, 2010 ‐ Courtenay, BC
Highland Valley Copper Highland Valley Copper
Highland Valley Copper Highland Valley Copper
2009 Drill pad reclamation
2010 Road reclamation
Re ‐ establishment of small natural watercourses
Early re ‐ seeding efforts
Elkhorn Quarry (2006) lkh ( )
planted pre-1990 Planted pre-1990 2003 seedling placement 2003, seedling placement 2005 grass establishment 2005, grass establishment Reclaimed waste dumps, no growth medium
Hydroseeding of waste rock dumps. H d di f t k d Note islands of native vegetation.
Sediment control pond Water quality monitoring
Hazards in Michel Creek, pre ‐ , p cleanup Example of materials removed from Michel Creek
Streambank following construction (April 2004) i (A il ) Successfully revegetated streambank (August, 2010)
R d Red osier dogwood and willow brush layer i d d d ill b h l (May 2004)
Streambank and riparian bench Successfully revegetated after construction and seeding streambank and riparian bench (2004) (2004) ( (2010) )
Will Willow growth 6 years after planting (August 2010) th 6 ft l ti (A t )
Rough and loose Placement of surface preparation Coarse Woody Debris Debris
Dam buttress surface, July 2010
Natural vegetation sites Soil slinging Borrow 3 Reclamation
Loose and rough soil Loose and rough soil Native vegetation Native vegetation preparation encroachment Borrow 7 Reclamation
Waste rock surface preparation and overburden placement (July, 2010)
Resloped waste rock dump with overburden placed (August 2010) (August 2010)
Reclamation of Tailings Dam “Brown before Green”
Vegetated retaining berms block noise and improve visual aesthetics.
Biosolids and pulp sludge test Biosolids and pulp sludge test Biosolids application with Biosolids application with plots manure spreader
Poplar plantation prior to reclamation (2004) Poplar plantation (2009)
P Poplar plantation, trees up to 13 m in height l l i i h i h (July 2009)
Wetland establishment
Work experience and training Work experience and training programs are part of the reclamation program.
Biosolids sampling for Bi lid li f G Groundwater sampling near d t li reclamation operations quality control
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