Dec. 13, 2010 – Expansion is usually on the minds of those in the sand and gravel mine business.
But
unlike most industries where expansion is a sign that a business is
growing, for mining companies, like CalPortland, expansion is a
necessity. Without it, the company would run out of products.
While
many products CalPortland mines are part of day-to-day life — from
materials used in football stadiums to interstate roadways — there are
groups that fear the long-term environmental affects of mining.
So
what does it take to expand mines, like the one in DuPont, which
happens to be the primary source of sand and gravel in the Puget Sound
region? | READ MORE
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