John Murphy

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People Who Matter

Sometimes you hit on something and you just don't know how big it is or how big it's going to get. Just look at Frank Kozeliski's fateful experiment. The former owner and president of Gallup Sand & Gravel in Gallup, N.M., concocted a simple, rudimentary concrete mix that didn't even require an admixture or fine aggregate to be shipped 150 miles, in his case. Read more