TUNNELS

Old-timers worked fruitlessly on job of chewing a hole in the Mogollon Rim for the 'choo-choos' that never came. Photographs.

About the attempt to drive a tunnel through the Mogollon Rim to bring the Mineral Belt railroad to Globe

Highway tunnel southeast of Clifton threatened with destruction

On the remote Mogollom Rim M-K is building an extremely thin arch dam...and driving an 8-mi. tunnel with a machine that is boring its way through sandstone