Issued February 3, 191o. 



U. S. DEPARTMENT OF AGRICULTURE, 



FOREST SERVICE— BULLETIN 121. 



HENRY S. GRAVES, Forester. 



FORESTATION OF THE SAND HILLS 



OF NEBRASKA AND KANSAS. 



BY 



CARLOS G. BATES, Forest Assistant, 



AND 



ROY G. PIERCE, Deputy Supervisor. 



WASHINGTON: 



GOVERNMENT PRINTING OPPIOB, 



1913. 



