"Local" can mean something different for everyone. For us, in this particular case, we are using "local" to mean the town of Blacksburg and Montgomery County, Virginia, as well as several nearby counties including: Botetourt, Bland, Craig, Floyd, Franklin, Giles, Pulaski, Roanoke, and Wythe.
Also, check out the "Virginia Tech Food History & Virginia Cooperative Extension" section.
From Knox Gelatine: Desserts, Salads, Candies and Frozen Dishes, c.1936