4 DAMAGE TO WOOD OF FIRE-KILLED DOUGLAS FIR. 
In addition to the general requirements of the principal methcds 
(a, 6, and c), each of classes 1, 2, 3, and 4, and each of the many 
species of each class require some different or specific detail in the 
method to insure the best success. Therefore when it is desired to 
avoid a special class of injury expert advice should be secured. 
CoNDITION B. 
Under condition B the opportunities are much less favorable fdr 
the prevention of further losses. After the timber has been dead 
three to twenty years or more, one or more of the following methods 
should be considered and adopted whenever practicable. 
MERCHANTABLE TIMBER DEAD THREE TO FIVE YEARS. 
(7) Timber dead three to five years should be cut and converted 
into lumber with as little delay as possible, or i 
(e) Cut into logs and placed in water, to remain there until it 
can be converted into lumber or other products. 
MERCHANTABLE TIMBER DEAD SIX TO TEN YEARS OR LONGER. 
(7) Thoroughly inspect individual trees to locate and mark those 
that are yet available for utilization, and make estimates on which 
to base conclusions as to whether or not it can be profitably logged 
for direct utilization or storage in water. 
Approved: 
JAMES WILSON, 
Sener awoaore A 
Des 
W ASHINGTON 16, 1912. 
INSTITUTION L 
DDITIONAL COPIES of this publication 
may be procured from the SUPERINTEND- 
ENT OF pores Government Printing 
Office, Washington, D. C., at 5 cents per copy 
