Yearbook U. S. Dept of Agriculture, 1901. 



PLATE XIII. 



FIG. 1. THE SAND HILLS. 



FIG. 2. PINE PLANTATION IN SAND HILLS, LOOKING NORTH. HOLT COUNTY, NEBR. 



FIG. 3. PINE PLANTATION IN SAND HILLS, LOOKING WEST. HOLT COUNTY, NEBR. 



