PUBLICATIONS OF THE U. S. DEPARTMENT OF AGRICULTURE RELAT- 
ING TO THE PRESERVATION OF TIMBER. 
PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION BY THE DEPARTMENT. 
Relative Resistance of Various Conifers to Injection with Cresote. (Department 
Bulletin No. 101.) 
The Toxicity to Fungi of Various Oils and Salts Particularly Those Used In Wood 
Preservation. (Department Bulletin No. 227.) 
Strength Tests of Structural Timbers Treated by Commercial Wood-Preserving 
Processes. (Department Bulletin No. 286.) 
The Theory of Drying and Its Application to the New Humidity-Regulated and 
Recirculating Dry Kiln. (Department Bulletin No. 509.) 
Timber Storage Conditions in the Eastern and Southern States With Reference to 
Decay Problems. (Department Bulletin No. 510.) 
Prolonging the Life of Crossties. (Forestry Bulletin No. 118.) 
Experiments on the Strength of Treated Timber. (Forestry Circular No. 39.) 
Preservation of Piling Against Marine Wood Borers. (Forestry Circular No. 128.) 
Consumption of Wood Preservatives and Quantity of Wood Treated in the United 
States in 1910. (Forestry Circular No. 186.) 
Volatilization of Various Fractions of Creosote After Their Injection into Wood. 
(Forestry Circular No. 188.) 
The Absorption of Creosote by the Cell Walls of Wood. (Forestry Circular No. 200.) 
PUBLICATIONS FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS, GOVERNMENT 
PRINTING OFFICE, WASHINGTON, D. C. 
Preservative Treatment of Farm Timbers. (Farmers' Bulletin No. 387.) Price, 
5 cents. 
Preservative Treatment of Farm Timbers. (Farmers' Bulletin No. 744.) Price, 
5 cents. 
Tests of Wood Preservatives. (Department Bulletin No. 145.) Price, 10 cents. 
Seasoning of Wood. (Department Bulletin No. 552.) Price, 10 cents. 
Timber Physics. (Forestry Bulletin No. 6, Part 1.) Price, 20 cents. 
Timber Physics: Progress Report, Results of Investigations on Long leaf Pine. 
(Forestry Bulletin No. 8, Part 2.) Price, 25 cents. 
Wood Preservation in the United States. (Forestry Bulletin No. 78.) Price, 
10 cents. 
Principles of Drying Lumber at Atmospheric Pressure and Humidity Diagram, 1912. 
(Forestry Bulletin No. 104.) Price, 5 cents. 
Specific Heat of Wood. (Forestry Bulletin No. 110.) Price, 5 cents. 
Quantity and Character of Creosote in Well-Preserved Timbers, 1917. (Forestry 
Circular No. 98.) Price, 5 cents. 
A Visual Method for Determining Penetration of Inorganic Salts in Treated Wood. 
(Forestry Circular No. 190.) Price, 5 cents. 
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