FLUMES AND LOG SLUICES 
441 
Two 4- b}^ 6-inch stringers rest on the caps which are spiked 
to the trestle. Sohd braces which support the sides of the \'-box 
are placed on the stringers at 8-foot intervals. The details of 
the brace and other features of the box are shown in Fig. 158A. 
TERMINALS 
Flume terminals arc of several diflferent types. The choice 
is dependent largely on the kind of material handled and its 
Fig. 162. —The l-riniunl uf a Lu- 1 iiu:i.', ;iu..r ;!.- L'-, x:,i,l-;c National 
Forest. This type m kno^\Ti as the "elephant." Montana. 
disposal at destination. Logs, pulpwood, and rough stock are 
often dumped into streams thus obviating the necessity for any 
special form of terminal. 
On the Allen flume^ in the Deerlodge National Forest in 
Montana round mining timbers are transported to a storage 
depot where they are loaded on cars and hauled to destination. 
The flume is about 20 feet high at the dump and the logs are nm 
out upon rollers on a platform. These carry the logs to the point 
where they are rolled upon cars. The water from the flume 
^ See note, page 452. 
