2 link of possible interest

1) i just finish reading this book. It was  very interesting, especially if you like to fill your brain with little tidbits that are useful  but not necessary8):

https://www.naturalnavigator.com/books-and-library/how-to-read-water/

2) interest map of the coast in 1850:

https://www.vancouverisawesome.com/2019/03/01/british-nautical-maps-charting-kelp-beds-bc/