Underground Conduit

A set of naturally occurring subsurface drainage channels formed from the dissolution of soluble rocks in Karst terrain or in terrain similar to karst but formed in nonsoluble rocks, as by melting of permafrost or ground ice, collapse after mining, and by outflow of liquid lava from beneath its solidified crust. Not a named feature.

Photo Courtesy of kentuckycaves.org
 

 Fcodes:

42000

feature type only: no attributes

42001

Positional Accuracy|definite

42002

Positional Accuracy|indefinite

42003

Positional Accuracy|appoximate

 

Feature Template