One day I will have the time to look up the history of this place. I've passed by it maybe a half dozen times now on my journeys through west Texas. That old roofline is impossible to miss.
I did manage to find this picture from its heyday though. Looks like it was a hoppin place!
Source: http://dodge.forwardlook.eu/postcards/cards/TXMerkelMerkelRestaurant.php