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Return of Arizona Mining Review: Mining Pozzolan in Central Arizona
August 30, 2017 Arizona Geological Survey aired its 40th Episode of the Arizona Mining Review – Developing a Pozzolan Mine in Central Arizona. Pozzolan is a geologic material – a volcanic tuff or ash – that when admixed with water, lime, sand and gravel makes a superior and long-lived concrete. Pozzolan is named for the [...]
Cement Industry Bestows 2017 John P. Gleason, Jr., Leadership Awards
Aug. 30, 2017, CHICAGO — The Portland Cement Association (PCA) today announced the winners of the 2017 John P. Gleason, Jr., Leadership Awards, honoring individuals who have exhibited leadership in association activities in support of member company objectives and operations. Congratulations to Winner: Ruben Guerrero Jr., Director of Corporate Affairs, Salt River Materials Group. Guerrero [...]