Last Updated：2025/12/29
Sentence
At
some
of
the
mines
on
the
great
Mother
Lode,
where
hundreds
of
tons
are
not
unfrequently
thrown
down
at
a
blast,
and
where
a
wide,
soft
"gouge"
along
one
wall
enables
the
minder
to
keep
two
or
three
sides
of
the
rock
free,
and
give
the
powder
the
greatest
opportunity
to
"lift"
without
waste
of
power,
the
cost
of
drilling
and
blasting
per
ton
is
so
low
that
a
reduction
of
one-third,
even
if
it
could
be
made,
would
not
greatly
affect
the
general
count;
[…]
Quizzes for review
At some of the mines on the great Mother Lode, where hundreds of tons are not unfrequently thrown down at a blast, and where a wide, soft gouge
along one wall enables the minder to keep two or three sides of the rock free, and give the powder the greatest opportunity to lift
without waste of power, the cost of drilling and blasting per ton is so low that a reduction of one-third, even if it could be made, would not greatly affect the general count; […]
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