They also mentioned Piggly Wiggly, which Ohio does not have either.
In the first Finder Keeper's book, he mentioned the Huron County morgue, which is the county I grew up in. So...this is next to Sandusky. I guess Buckeye City is a Sandusky stand in (but bigger)? Second mistake on the lake would be Toledo, but he also mentioned Toledo, so...
I actually thought "well ladyday is going to have things to say about this Ohio Wawa when she reads this"...but as I've never been to one I forgot about it immediately.