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Keeping Elizabeth Lock and Dam usable
U.S. Army Corps of Engineers Pittsburgh District
June 20, 2014 | 1:38
Lockmaster, Charlie Weight with the U.S. Army Corps of Engineers Pittsburgh District, explains what it takes to keep America’s oldest continuously used lock and dam operational.
Located in Elizabeth, Pa., Lock and Dam 3 was completed in 1907 and is more than twice its prospected usable life. It consists of two lock chambers and a fixed crest dam.
For more information visit http://www.lrp.usace.army.mil/Missions/Navigation/LocksandDams/LocksDam3,MonRiver.aspx
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Pennsylvania
navigation
economy
Monongahela
Elizabeth
lock and dam
fixed-crest dam
Inland Navigation System
commercial traffic
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