Fr: 1 2 3 4 19 49 99 



Film Number 



182 



181 



173 



172 



Norn. Press 

 (in Hg.) 



10 



15 



20 



171 



24 



30 



Figure 7C. Water Depth: 1.17 inches. 



Fr: 1 2 3 4 19 49 99 



Film Number Norn. Press 



180 



179 



178 



177 



10 



15 



20 



24 



176 



30 



Figure ID. Water Depth: 1.56 inches. 

 351 



