Lots of interesting pics at that vancouverbyte Flickr account.
Robson Street:

Robson Street,early 1970's, Al Ingram, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/
The building with Milestones, before the 1990s PoMo renovation.

1100 block Robson Street north side, June 1974, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/
Construction of Granville Mall in 1970s.
Check out the Birks sign atop the neighbouring Vancouver Block.

Granville St. reconstruction early 1970's, Al Ingram, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/

Granville St. reconstruction early 1970's, Al Ingram, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/

Granville St. reconstruction early 1970's, Al Ingram, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/
For Pacific Centre?

Granville St. reconstruction early 1970's, Al Ingram, City of Vancouver
https://www.flickr.com/photos/vancouverbyte/