Abstract:
John Henry Louis Mogg, an Australian native, became an American citizen between the World Wars and began a fruitful diving career. Companies along the eastern seaboard commissioned him, but he spent a great deal of time in North Carolina. When a project on the Pamlico River near Washington became available, Mogg was the sole diver responsible for all underwater construction on the marine railway. The marine railway serviced Gahagan Construction Company which was commissioned to launch upwards of 30 wooden barges; the purpose of which to haul crude oil along the Inland Waterway.