Issued September 15, 1908- 

 Reprint, May 25, 1911. 



U. S. DEPARTMENT OF AGRICULTURE, 



FOREST SERVICE— Circular 1S4. 



GIFFORD PINCHOT, Forester. 



NATIVE AND PLANTED TIMBER 



OF IOWA 



By 



HUGH P. BAKER, 



FOREST ASSISTANT. 



WASHiNGTON : GOVERNMENT PRINTING OFFICE : 



