HUTCHINSON, Kan. (AP) _
A team from the Kansas Geological Survey and the Kansas
Department of Transportation is studying salt hundreds of feet
below the surface along U.S. 50. Two sinkholes already exist in the
area along the busy highway in Reno County.
They hope to make state officials aware of potentially
fast-moving or catastrophic sinkholes on major highways.
Geophysicist Rick Miller says a fast-moving sinkhole would be
Miller says the agencies are conducting the survey here because
the section of highway intersects with a moving salt front.
Sinkholes are caused by water dissolving the salt and by the
shifts in the salt layers.