
And the National Park Service says the find adds another page to the story of the mysterious plantation, whose tropical-influenced main house still stands, an unlikely witness near the banks of the Monocacy, more than 200 years after it was built.
'It's a huge deal,' said National Park Service archaeologist Joy Beasley, cultural resources program manager for Monocacy National Battlefield, outside Frederick, where the plantation is located. 'It's an extraordinary site and very unusual, and I do not know of anything like it anywhere else.'