’
Canadian Mining Journal c
a
n
a
d
a
s
f
i
r
s
www.canadianminingjournal.com
t
m
i
n
i
n
g
p
u
b
l
i
c
a
t
i
o
August 2013
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’
Canadian Mining Journal c
a
n
a
d
a
s
f
i
r
s
www.canadianminingjournal.com
t
m
i
n
i
n
g
p
u
b
l
i
c
a
t
i
o
August 2013
n