INTRAFORMATIONAL PEBBLES IN RICHMOND GROUP 291 



Fig. 3. — Ripple-marks on Brassfield limestone in Beasley Fork, a mile and a 

 quarter south of West Union, Ohio. Note the small difference in slope on the two 

 sides of the ripples. 



Fig. 4. — Ripple-marks at the same locality and horizon on Beasley Fork 



