Before revision: wide|Johnson's Shut-Ins panorama A shut-in is an Ozark term for a creek or river that has come into contact with erosion resistant bedrock, frequently causing rock formations within the stream channel that create a complex of pools, rivulets, and plunge pools.
After revision: rapidswide|Johnson's Shut-Ins panorama A shut-in is an Ozark term for a creek or river that has come into contact with erosion resistant bedrock, frequently causing rock formations within the stream channel that create a complex of pools, rivulets, and plunge pools.