Concrete and Its Evolution. This paper looks at the history of the building material concrete. The contents that make up this mass are examined. Some of the first work done with concrete in the U.S. is also highlighted. The evolution of concrete will be discussed. 5 pgs. 12 f/c. 8b. Pages: 5 Bibliography: 8 source(s) listed Filename: 3029 Concrete Evolution.doc Price: 44.75