User:Elizabeth Linden Rahway/Lists of bridges documented by the Historic American Engineering Record

Tunnels

 * List of tunnels documented by the Historic American Engineering Record in California
 * List of tunnels documented by the Historic American Engineering Record in Colorado
 * List of tunnels documented by the Historic American Engineering Record in Maryland
 * List of tunnels documented by the Historic American Engineering Record in New Jersey
 * List of tunnels documented by the Historic American Engineering Record in New York
 * List of tunnels documented by the Historic American Engineering Record in Oregon
 * List of tunnels documented by the Historic American Engineering Record in Pennsylvania
 * List of tunnels documented by the Historic American Engineering Record in Utah
 * List of tunnels documented by the Historic American Engineering Record in Virginia
 * List of tunnels documented by the Historic American Engineering Record in Washington (state)
 * List of tunnels documented by the Historic American Engineering Record in West Virginia