Bul. 512, U. S. Dept. of Agriculture. PLATE V. 
D660 
Fia. 1.—VIEW OF LOWER SIDE OF A BROAD-BASE LEVEL-RIDGE TERRACE; COTTON ROW 
ON TOP OF TERRACE. 
DI93 
Fic. 2.—TERRACE OUTLET IN DEPRESSION OF FIELD, SEEDED TO GRASS TO PREVENT 
EROSION. 
