Issued September 15, 1908. 



U. S. DEPARTMENT OF AGRICULTURE, 



FOREST SERVICE Circular 154. . 



GIFFORD PINCHOT, Forester. 



NATIVE AND PLANTED TIMBER 



OF IOWA 



By 

 HUGH P. BAKER, 



FOREST ASSISTANT. 



WASHINGTON GOVERNMENT PRINTING OFFICE : 1908 



47795 Cir. 15408 1 



