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BULLETIN" 711, U. S. DEPARTMENT OP AGRICULTURE. 
line method. About 4,000,000 feet of timber was hauled by the sky 
line at this setting. The overhead swing engine had no trouble in 
taking care of the output of the yarding engine, which averaged 
from 50,000 to 75,000 feet per day; in fact, it seemed it could have 
handled the output of two yarding engines. 
Fig. 49. — Nestos overhead snubbing system. 
Under some conditions an overhead snubbing method can be used 
to swing logs to better advantage than any other method. This was 
true of the following case : 
An operator had a* limited amount of timber, which stood on a 
UPP£F 
Fig. 50. — Carriage, Nestos overhead snubbing system. 
bench 400 feet above the railroad, the slope between the bench and 
the railroad falling away so rapidly that the use of a pole road or 
chute was out of the question. It was decided to use an overhead 
snubbing system of the type shown in figure 49. 
A wire cable If inches in diameter and 2.000 feet long was used 
as a standing line. One end of this line was fastened to a stump 
