Bui. 316, U. S. Dept of Agriculture. 
Plate IX. 
F-38260 
Fig. 1.— Willows Coming in Naturally and Gradually Binding Together the 
Shifting Sand Dune. Near Michigan City Ind. 
F-38301 
Fig. 2.— Willows and Poplars Working Down to the Edge of Lake Michigan. 
Michigan City, Ind. 
WILLOW AS A SAND BINDER. 
