[digger48]

that would work out about right, though. Wouldn’t it?

I never concerned myself with it much until we were doing a project where we were buying by the ton, but billing by the yard.

I had a heck of a time finding someone at the quarry who could answer that. They had to call Corporate Office to find out.

[JRandomFreeper]

Somewhere, I've got a dead-tree book with all those specific gravity numbers in it. Dad owned a construction company, and back then it was reference books and slide-rules and pencil and paper.

/johnny