There are other ports. They're not economically viable. See e.g. my old comment about the history of Prince Rupert, BC:
https://news.ycombinator.com/item?id=28871284
There are other ports. They're not economically viable. See e.g. my old comment about the history of Prince Rupert, BC:
https://news.ycombinator.com/item?id=28871284