38 



BULLETIN 71, U. S. DEPARTMENT OF AGRICULTURE. 



with the dredge. Along most of the boundary of the tract the ground was so 

 solid that once over with the dredge, cutting a 35-foot by 6-foot canal, gave 

 more than enough material to build a levee. The average height of the levee is 

 4 feet above mean tide, and the top width, while variable, averages about 5 

 feet. All of the levee has not been brought to an even grade as yet, and much 



Laterals 



210 feet 



Mn CANAL 



'«?, 



LEGEND 



Roads. = 



Canals ««=a^"" 



Collecting Ditches — — — 



Field Laterals. 



SCALE IN FEET 

 IOOO 2000 3000 4000 SOO O 



" "■"■ ' ' G.FR.dei. 



apart 



Pumping Plant 



<v 



Fig. 10. — Sketch map of area No. 4, Raceland. La Fourche Parish. La., outlining arrange- 

 ment of ditches and levees. 



of it has been allowed to grow up in weeds. As far as can be noticed, this levee 

 is practically free from any great amount of seepage at ordinary water level. 

 For the most part the base is above mean tide, and no doubt this fact partly 

 accounts for the good condition of the levee. Where the reservoir canal par- 

 allels Bayou False a 10 to 15 foot berm was left along both sides of the levee, 

 making the total distance between canals nearly 60 feet. On the other portions 



