UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 909 
Contribution from the Forest Service 
WILLIAM B. GREELEY, Forester 
Washington, D. C. PROFESSIONAL PAPER January 17, 1921 
_ UTILIZATION OF BLACK 
WALNUT 
By 
WARREN D. BRUSH, Scientific Assistant 
CONTENTS 
« Page 
Introduction . . ■ . . . . 1 
Properties of the Wood 2 
Insect and Fungus Attack 6 
Supply 7 
Demand 21 
Utilization by Industries 22 
Export * 74 
War-time Utilization ........... 76 
Summary of General Market Conditions . . . . . . 79 
Marketing Walnut Timber + . 80 
Summary and Conclusions . . *■■ 85 
Appendix: Detailed List of Uses 88 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1921 
