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en.wikipedia.org/wiki/Lock_(water_navigation)

Locks of the Panama Canal during construction, 1913. Early completely artificial canals, across fairly flat countryside, would get ...

www.ask.com/youtube?q=Canal+Locks&v=tfWyBz5bHj8
Apr 16, 2009 ... How canals work. ... but where does the water come from to RAISE the level of locks? ... Thanks, this helped me write a paper on Locks..

www.popularmechanics.com/technology/infrastructure/g2875/7-impressive-boat-locks

Dec 13, 2016 ... The Caen Hill Locks in their entirety include 29 locks over two miles—and a rise of 237 feet—along the Kennet & Avon Canal. But the most ...

www.eriecanal.org/locks.html

The present Erie Canal rises 566 feet from the Hudson River to Lake Erie through 35 locks. From tide-water level at Troy, the Erie Canal rises through a series of ...

www.rideau-info.com/canal/lock.html

Rideau Canal Waterway - What is a Lock - animated page.

www.history.com/topics/panama-canal/videos/panama-canal-locks

The Panama Canal allows ships to travel between the Atlantic and Pacific Oceans, saving them a long journey around the tip of South America.

www.encyclopedia.com/science-and-technology/technology/technology-terms-and-concepts/canal-lock

Get information, facts, and pictures about canal lock at Encyclopedia.com. Make research projects and school reports about canal lock easy with credible articles  ...

canalrivertrust.org.uk/enjoy-the-waterways/boating/a-guide-to-boating/boaters-handbook/boating-through-locks

A lock is simply a chamber with gates at either end. By emptying or filling that chamber with water, your boat can move up or down onto a new section of the ...

www.marineinsight.com/guidelines/how-the-water-locks-of-panama-canal-work

Jun 5, 2017 ... Panama Canal, one of the busiest shipping canals, works in a unique way using its water gates. Find out inside the article how these water ...