223 



An Ecological Survey of Whitewater Gorge. 



Bv L. C. Petry and M. S. Markle. 



At Richmond, Indiana, the east branch of Whitewater R,iver runs 

 through a narrow rock gorge for a distance of about three miles. This 

 miniature canyon is commonly called the Whitewater gorge. It A^arles in 



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Fig. 1. 



depth from 60 ft. to 120 ft. and in width from 200 ft. to 800 ft. on the 

 floor. The gorge terminates rather abruptly at Test's Mills, about two 



