In my short time as an archaeologist working in southeast Pennsylvania, I’ve learned that every basement, crawl space, and root cellar older than 1860 was at one time, a stop on the Underground Railroad (UGRR).  This of course is not true, but the mythologies of the UGRR are born out of the fact that the region played an important role in the network as the first free state north of the Mason-Dixon line. 

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