Yearbook U. S. Dept. of Agriculture, 1901. 



PLATE XIV. 



FIG. 1 .YOUNG YELLOW PINE ENCROACHING UPON A SAND HILL. SHERIDAN 

 COUNTY, NEBR. 



FIG. 2. YOUNG PINES ENCROACHING UPON A SAND HILL. DAWES COUNTY, NEBR. 



