















— 





-^ 





a 1 



s 2 





a 



Q 

 O 



c 





^ 



average of 1/10 highe 

 average of 1/100 high 





load; 600 tons 



load cross section: 3 



depth: 6,000 ft 

 pipe: 81 lb/ft. 10-3/ 







S IN 

 — £ 



(335- d!>|) Ajjsuaa leJiDadspeoT 



129 



