Complex sentence: Whaleback Barge 101 was built by the American Steel Barge Company of Duluth, Minnesota, while her cylindrical bow and her stern was built by Pusey & Jones Shipbuilding Company of Wilmington, Delaware.
Split into simpler sentences: Whaleback Barge 101 was built by the American Steel Barge Company of Duluth, Minnesota. Her cylindrical bow and her stern was built by Pusey & Jones Shipbuilding Company of Wilmington, Delaware.