Paw Paw Tunnel
The Paw Paw Tunnel is a canal tunnel on the Chesapeake and Ohio Canal ( C&O ) in Allegany County , Maryland . 
<triplet> Paw Paw Tunnel <subj> canal tunnel <obj> instance of <subj> Allegany County, Maryland <obj> located in the administrative territorial entity <triplet> Chesapeake and Ohio Canal <subj> Allegany County, Maryland <obj> located in the administrative territorial entity