Bui. 24, Bureau of Forestry, U. S. Dept of Agr. 



Plate 



fl3. 1. — wlndbre<\ks of lombardy poplar, intended to protect orchard trees 

 Against Wind and Moving Sand. Near The Dalles, Oregon. 



Fig. 2. — Protection Forest About a Lake. Adirondack Mountains, New York. 



