Good observation. I have another map close where I live in Maryland. There is a true story about a French man who buried a small cache of Jewelry before die in a hotel or better known Tavern. The place is called Hagan's Tavern. I'd tried to find this chest but has been very difficult because the neighborhood is full of houses and nobody respond to my request of permission. According to some historians, this chest was buried nearby the tavern over a hill. In the photos, the Tavern is marked with a flag.
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