PLATE 9. 

 DETAILS OF TRESTLES, CHANOINE DAMS. 



ION. 



1 



5Hi" 



B, 



IERE TRESTLES. 



SERVICE BRIDGES, 

 WICKET DAMS. 



Bcale: 



r a' a' 4' 



Chain St 



Trestles of 4 -9 Ib. Channels 

 Spacing, 8 ft. c. to c. 



. 



PASS TRESTLE, KANAWHA RIVER, W.VA. 

 (1896.) 



