UofA Map/GIS Librarian#MinkFarm - #Floodway - #FurFarm #DuffsDitch
The provisional ed. 1:25,000 map (62H/14A) published 1961 captures the area before the beginning of construction of the Floodway 1962.
The Grande Pointe 62H/14A (ed 3) shows the area in 1969 after floodway was finished in 1968.
archive.org/details/MB_6...
Chris Koester