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Indiana University Studies 



Clifty Creek just beyond the south side of the old valley. The 

 stream turns southeast upon striking the rock wall of Cypress 

 sandstone just before it enters the present Clifty Creek. The 



Fig. 3. Where Clifty Creek is now becoming subterraneau, near the 

 southwest corner of section 35. The Cypress sandstone here comes do^Yn 

 slightly below the creek level. Photograr)li by V. B. Stockdale. 



valley has considerable width where it crosses the old filled 

 valley. The topographic map shows this widening of the 

 valley quite distinctly. In the extreme southeast corner of 

 section 27 the main re-excavating stream from the north in 



