A series of large steel or iron "jacks," usually up to 10 feet in height and cabled together at intervals and "deadmanned" to the bank or tied to trees along the margin of a stream to prevent cutting and eroding by slowing down high velocity flows. Can help reclaim eroded soils by trapping silt, sand, etc.
Selected jacklines links:
© 1997-2006 Healthboard.com.
Healthboard.com is a purely
informational website, and should not be used as a substitute
for professional legal, medical or technical advice.