Don Richard, Robert Zimmerman, and Bruce P. Grubb

Don Richard, P.E., is dean and professor of civil engineering at the School of Engineering & Mines, University of North Dakota, Grand Forks. Robert Zimmerman, P.E., is superintendent of environmental systems, City of Moorhead, MN. Bruce P. Grubb, P.E., is solid waste operations manager for the city of Fargo, ND.
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