Some of the sources I’ve found useful for research:

Hindsight and Popular Astronomy by Alan B. Whiting World Scientific / Amazon

Whelks to Whales, Coastal Marine Life of the Pacific Northwest by Rick M. Harbo Amazon / Barnes & Noble

Coastal Fishes of the Pacific Northwest by Andy Lamb and Phil Edgell Harbor Publishing / Amazon

The Worst Hard Time by Timothy Egan Timothy Egan Books