January 6, 2021 Iowa contractor gets new electric dredger Written by Baird Maritime on January 6, 2021. Posted in Commercial Mariner - Marine Projects, Dredging and Land Reclamation. Booneville, Iowa-based marine contractor Legacy Materials has taken delivery of a new electric-powered cutter suction dredger (CSD) from Custom Dredge Works of Topeka, .. Read More