159-year-old Massachusetts dam gets upgrades

10/8/2007 | Eagle-Tribune (North Andover, Mass.), The

Workers in Lawrence, Mass., are preparing for the first major enhancement to the Great Stone Dam since the 900-foot-long structure was built in 1848. The dam's owner, Enel North America Inc., is making the $3.5 million improvements, including replacing the dam's wooden flashboard system with a modernized, inflatable crest gate.

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Eagle-Tribune (North Andover, Mass.), The

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