STRENGTH TESTS OF STEUCTUEAL TIMBEES. 15 
PUBLICATIONS RELATING TO STRENGTH TESTS OF VARIOUS WOODS. 
PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. 
Fire-Mlled Douglas Fir: A Study of Its Kate of Deterioration, Usability, and Strength. 
By Joseph Burke Knapp. Pp. 18, figs. 5. 1912. (Forest Service Bulletin 112.) 
Mechanical Properties of Western Larch. By O. P. M. Goss. Pp. 45, Pis. IV, rigs 14. 
1913. (Forest Sendee Bulletin 122.) 
Experiments on the Strength of Treated Timber. By W. Kendrick Hatt, Ph. D. Pp. 
31, figs. 2, tables 12. 1906. (Forest Service Circular 39.) 
Tests of Eocky Mountain Wood for Telephone Poles. By Norman de W. Betts and 
A. L. Heim. Pp. 28, figs. 6, tables 7. 1914. (Department Bulletin 67.) 
Rocky Mountain Mine Timbers. By Norman de W. Betts. Pp. 34, figs. 7, tables 16. 
1914. (Department Bulletin 77.) 
Tests of Wooden Barrels. By J. A. Newlin. Pp. 12, figs. 1, Pis. V, tables 6. 1914. 
(Department Bulletin 86.) 
PUBLICATIONS FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS. 
Timber: An Elementary Discussion of the Characteristics and Properties of Wood. 
By Filbert Roth and B. E. Fernow. Pp. 88, figs. 49. 1895. (Forest Service 
Bulletin 10.) Price, 10 cents. 
Effect of Moisture upon the Strength and Stiffness of Wood. By Harry Donald 
Tiemann, M. E. M. F. Pp. 144, figs. 25, Pis. IV. 1906. (Forest Service Bulletin 
70.) Price ,15 cents. 
Properties and Uses of Douglas Fir: Part I, Mechanical Properties. Part II, Com- 
mercial Uses. By McGarvey Cline and J. B. Knapp. Pp. 75, Pis. Ill, diagrams 
15. 1911. (Forest Service Bulletin 88.) Price 15 cents. 
Tests of Structural Timbers. By McGarvey Cline and A. L: Heim. Pp. 123, Pis. 
VII, text figures 29. 1912. (Forest Service Bulletin 108.) Price 20 cents. 
Mechanical Properties of Western Hemlock. By O. P. M. Goss. Pp. 45, figs. 13, Pis. 
VI. 1913. (Forest Service Bulletin 115.) Price 15 cents. 
Holding Force of Railroad Spikes in Wooden Ties. By W. Kendrick Hatt, Ph. D. 
Pp. 5, figs. 4. 1906. (Forest Service Circular 46.) Price 5 cents. 
Tests of Vehicle and Implement Woods. By H. B. Holroyd and H. S. Betts. Pp. 
29, tables 8. 1908. (Forest Service Circular 142.) Price 5 cents. 
Properties and Uses of the Southern Pines. By H. S. Betts. Pp. 30, figs. 6, 1909. 
(Forest Service Circular 164.) Price 5 cents. 
Utilization of California Eucalypts. By H. S. Betts and C. Stowell Smith. Pp. 30, 
figs. 7. 1910. (Forest Service Circular 179.) Price 5 cents. 
Strength Values for Structural Timbers. By McGarvey Cline. Pp. 8, tables 4. 
1912. (Forest Service Circular 189.) Price 5 cents. 
Mechanical Properties of Redwood. By A. L. Heim. Pp. 32, figs. 8, tables 7. 1912. 
(Forest Service Circular 193.) Price 5 cents. 
Mechanical Properties of Woods Grown in the United States. Pp. 4, table 1. 1913. 
(Forest Service Circular 213.) Price 5 cents. 
Tests of Packing Boxes of Various Forms. By John A. Newlin. Pp. 23, figs. 4, 
tables 6. 1913. (Forest Service Circular 214.) Price 5 cents. 
ADDITIONAL COPIES 
OF THIS PUBLICATION MAY BE PROCURED FROM 
THE SUPERINTENDENT OF DOCUMENTS 
GOVERNMENT PRLNTLNG OFFICE 
WASHINGTON, D. C. 
AT 
5 CENTS PER COPY 
