Before revision: wide|Johnson's Shut-Ins panorama A shut-in is an Ozark term for a steep section of a creek or river that has cut through a mountain range, creating a short canyon where the riverbed contacts bedrock, frequently resulting in rock formations that create a chain of poolsand rivulets.
After revision: wide|Johnson's Shut-Ins panorama A shut-in is an Ozark term for a steep section of a creek or river that has come into contact with erosion resistant bedrock, frequently causing rock formations within the stream channel that create a chain of poolsand rivulets.