Yes, a tough way to make a living, even with today's level of mechanisation. I don't know how many operations are out there. I would think it's a Western North America thing these days; in this case Vancouver Island.
I recall some articles on logging roads still running in the 70s in Washington and Northern California, but that's just my fuzzy memory. I did a search and found one that only shut down in 2015:
https://www.youtube.com/watch?v=GHj_NK-UP7Y