O.Or 



< 



■©-^^ 



1.0- 



2.0- 



-O 1 rev/hr 



-Q — 112 rev/hr 



3.0L 



10 



30 



50 



70 



90 



110 



original vane shear strength (psf) 



Figure 3. Original strength versus depth at Pitas Point Site 

 for two vane rotation rates (1-inch diameter vanes 

 used) . 



41 



