This tunnel passes beneath MacArthur Blvd. (nee Conduit Rd.). It's 340.9' long, 21' high, 18' wide, and is lined with brick. The tunnel was built between 1908 and 1910.
Title: South portal of Dalecarlia Tunnel, (Feb 1974)
Description: This tunnel passes beneath MacArthur Blvd. (nee Conduit Rd.). It's 340.9' long, 21' high, 18' wide, and is lined with brick. The tunnel was built between 1908 and 1910.
