Gary,
Yes, it certainly would fit in with the time of operation. I still believe it isn't Hawthorne though due to the fact that it wasn't there for long and the only chip I've seen attributed to there was an ardie mold and had the name "Log Cabin Club" hotstamped on it and not just Log Cabin as this one has.

As Far as being unknown, at this time it is, but I'm hoping to remedy that. Just gotta find the right person. lol

Jeff