https://californiarevealed.org/islandora/object/cavpp%3A87822
45; Documentary Film from US Army Corps of Engineers about Project Tugboat and the use of explosives for harbor excavation. This film is part of the Water Resources Collection and Archives at the University of California, Riverside. Opening Credits: “The United States Army Corps of Engineers Presents A Harbor for Kawaihae: The Story of Project Tugboat.”… Read more “Project Tugboat Used Explosives on Kawaihae Reef 1972”