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Posted by: Kirk Sullivan on June 25, 2002 at 16:25:18:
In Reply to: Re: Mixing Concrete Posted by: Ricky Sexton on September 25, 2001 at 10:08:21:
You have one extra weight in that per yard formula. The first weight is cement and the last is water, obviously, but how about the middle two. You only show "gravel," are the two weights separate weights for "sand" and "rock?"
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