![A photo of the building where the exit point for the Douglas Tunnel was found in 1991.](/sites/default/files/photo/32.%20Confined%20Space%20Truck%20and%20Trailer-Douglas%2C%20AZ-JD_0.jpg)
The exterior of the building which holds the exit point for the Douglas Tunnel.
This page was published more than five years ago. Information on the page may be out of date.
The exterior of the building which holds the exit point for the Douglas Tunnel.