Arizona Concrete

According to the Mine Faculty at the University of Arizona, cement is manufactured primarily from suitable limestone and shale rocks. Arizona had two dry-process cement plants in 1969, namely the Arizona Portland Cement Company plant in Pima County, near Tucson, and the American Cement Corporation plant at Clarkdale, in Yavapai County (52-53). The use of cementing materials goes back to the ancient Egyptians and Romans, but the invention of modern portland cement is usually attributed to …

…ACement and concrete.@ The 1996 Grolier Multimedia Encyclopedia.         CD-ROM. Danbury: Grolier, 1996. Day, Richard. The Home Owner Handbook Of: Concrete and Masonry.         New York: Bounty Books, No Copyright Date. Kosmatka, Steven H., and William C. Panarese. Design and Control         of Concrete Mixtures. Skokie, Ill.: Portland Cement                  Association,         1990. Seymore, Dany. President of Show Low Ready Mix. Personal                  interview. 11 November 1996. College of Mines Faculty, University of Arizona. Arizona: Its         People and Resources. Tucson, AZ.: The University of Arizona         Press, 1972.