They’ve collected photos of the east slopes from real early on (in my area, there’s mountain and valley photos that date back to 1913!)... and it lets you compare them to present day photos.
I’ve always suspected that the Pass was a heck of a lot balder than it is now.
Serious eye opener for outdoorsmen, conservationists and park designator....
http://mountainlegacy.ca/
Check out what the Pass looked like back
In the day.