I think the map has filled in quite nicely since I recommitted to the site about four years ago.
The most recent additions (that you can get as they happen via Twitter):
- Detroit Area
- Toronto Chain Grocery/Supermarket Locations, 1915-1980 (UPDATED)
- St Petersburg and Southern Pinellas County Chain Grocery/Supermarket Locations, 1925-2015
- Tampa Chain Grocery/Supermarket Locations, 1925-2015
- Bradenton Chain Grocery/Supermarket Locations, 1927-1999
- Minneapolis Chain Grocery/Supermarket Locations, 1920-2020
- Savannah Chain Grocery/Supermarket Locations, 1925-2015
More to come!