From: Chris
Location: Portage
email: c77jc
Remote Name: 71.13.132.175
Date: 07.31.06
Time: 10:19:25 PM
I have a few questions about Duluth/Superior. First, what is bentonite clay, where does it come from and where is it used for? 2, why does LaFarge have silos at Duluth & Superior? Finally, why do they bring coal up from the lower lakes if they ship it from Superior?
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