This towboat was built in 1968 by Jeffboat Inc. as the National Star for National Marine. She was later renamed Ellen C, and later on became the Ann G for Garvey Marine Inc. She was eventually sold to the American River Transportation Company and renamed Dale White. In 2016, the tug was acquired by Egan Marine in Lemont, IL and renamed Derek E.
Derek E is active in the barge trades in the Chicago area.
- Type: Towboat
- Year Built: 1968
- Builder: Jeffboat Inc., Jeffersonville, IN
- Length: 78′ 00″
- Breadth: 26′ 00″
- Depth: 9′ 06″
- Port of Registry: Lemont, IL