Log flume
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For the amusement park attraction of the same name, see Log flume (attraction).
A log flume is a flume specifically constructed to transport lumber and logs down mountainous terrain to a sawmill by using flowing water. These watertight trough-like channels could be built to span a long distance across chasms and down steep mountain slopes. The use of log flumes facilitated the quick and cheap transportation of logs and thereby eliminated the need for dangerous mountain trails.
"V" shaped log flumes were in common use in the western United States during the late 19th century. These efficient flumes consisted of 2 boards, 2 feet (60 cm) wide, and joined perpendicularly. The longest log flume is the Kings River Flume in Sanger, California.
