The Edgar B. Speer is 1000 feet long, up bound into Lake Superior. Tbe level of Lake Huron is lower than Lake Superior, so the lock will be filled, raising the ship to Superiors level and then it will sail n and out. . This is a big deal at the Soo as it marks the start of preparations for the upcoming tourist season. The locks are a big tourist draw. It’s fascinating to watch these bg ships go through as well as watching them out on the lakes. A lot of people go watch the locks opening every year, even at this late hour. . As big as ships like this are, those who sail Lake Superior can be sent to the bottom if the right type of storm kicks up. So it’s not all fun and games out there. By the time this ship gets to it’s destination port, Two Harbors, MNit will be coated with ice from the open lake, Winds and cold temps, making those decks very treacherous.

https://www.facebook.com/10006940119058 ... 854976986/
A look inside a lock
https://www.wxyz.com/news/photos-show-i ... -soo-locks
https://www.mlive.com/news/2022/03/what ... ebris.html
Here’s a few interesting facts
https://boatnerd.com/boatnerd-news-march-25/