-V- 



m 





0. 



* •< 



a. 1945 



b. 1959 



ft 



- 



1*^ 



L 



c. 1970 d. 1982 



Figure 8. Sequential aerial photographs showing effects of pipeline canal on hydrologic subunit 

 between the natural levee ridge of unnamed distributary of Bayou l'Ours (north) and Middle Fork 

 of Bayou l'Ours (south). 



41 



