The faults are interpreted as the result of collapse of surficial rock into caverns formed by groundwater solution in the underlying Mississippian limestone and dolostone beds some 600-800 feet below the present land surface (Gentile 1984).
(The faults; are interpreted; as the result of collapse of surficial rock) (caverns; formed; by groundwater solution in the underlying Mississippian limestone and dolostone beds some 600-800 feet below the present land surface)
The faults caverns
are interpreted formed
as the result of collapse of surficial rock
by groundwater solution in the underlying Mississippian limestone and dolostone beds some 600-800 feet below the present land surface