Rick,
One of the songs on the Washington Square set is Erik Darling's 1958 recording of "Swannanoa Tunnel."
When I was listening to it, I had a deja vu and pulled out your CD with Tom Paxton's "Deep Fork River" on it. Obviously, Tom's song is a rewrite of "Swannanoa Tunnel."
I must ask Tom about it when I see him at the Champlain Valley Folk Festival.