PLATE XI BOTTOM PHOTOGRAPHS FROM CAMERA STATION 4. 

 OBSERVE THE STREAMING OF FINER FRAGMENTS SOUTHWARD OF 

 THE LARGE COBBLE ON THE LOWER PORTION OF THE TOP PHOTO- 

 GRAPH; ALSO, THE SMOOTHER, MORE PLANATED APPEARANCE OF 

 THE RIPPLE MARKS TO THE RIGHT OF THIS PHOTOGRAPH AS 

 OPPOSED TO THE RIPPLES ON THE BOTTOM PHOTOGRAPH. SCALE 

 APPROXIMATELY 1:34. 



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