#16056: Visitor Peers into Tunnel Carved into Lava Flow

A woman perched on the iron walkway across the canal peers into the tunnel carved into the lava flow.
© July 2000 A. E. Crane.
U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
A woman perched on the iron walkway across the canal peers into the tunnel carved into the lava flow.
© July 2000 A. E. Crane.