https://www.marinelink.com/news/new-tug-to-be-permanently-paired-with-self-unloading-barge303675
New Tug to be Permanently Paired with Self-Unloading Barge
The Interlake Steamship Company and Interlake Transportation have received 7,200 hp Z-drive tug Dorothy Ann. Designed by Ocean Tug & Barge Engineering…