Bui, 300, LI. S. Dept. of Agriculture. 



Plate I. 



Fig. 1.— Dredge Equipped with Bank Spuds. 



DI4421a 



Fig. 2.— Dredge Equipped with Vertical Spuds. 

 TYPES OF FLOATING DIPPER DREDGES. 



DI4S07b 



