Tug Nickelena brings Ro-Ro barge to Duluth

Ro-Ro being Roll on Roll off, as in Roll that pressure vessel onto the barge,  take it to Duluth and Roll it Off. Here the Nickelena is moving the barge up to the back of the slip at the Port Terminal, where the cargo will come off the barge.
Below is a video of the Ro-Ro arrival this morning that I took off my webcam page
Kenneth Newhams :