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The Great Stone Dam and The North Canal in Lawrence.

The Great Stone Dam and The North Canal in Lawrence. By:Rowil Thomas, Germaine LeBron, Runairy Infante, Sean Jimenez, Kevin Velez. The Essex Company. Daniel Saunders Sr. of Andover had an idea. He wanted to build a dam to harness the Merrimack River.

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The Great Stone Dam and The North Canal in Lawrence.

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  1. The Great Stone Dam and The North Canal in Lawrence. By:Rowil Thomas, Germaine LeBron, Runairy Infante, Sean Jimenez, Kevin Velez.

  2. The Essex Company. • Daniel Saunders Sr. of Andover had an idea. He wanted to build a dam to harness the Merrimack River. • In 1843 he met a group of men and formed a company to buy land upon which to build the first city in the United States designed to be an industrial center. This city was Lawrence, and the company became the Essex Company.

  3. The Original Board of Directors. • Abbott Lawrence • William Lawrence • Samuel Lawrence • John Lowell • Francis Lowell • George Lyman • Theodore Lyman • Nathan Appleton • Patrick T. Jackson • Ignatius Sargent • William Sturgis • John Nesmith • Jonathan Tyler • James B. Francis • Charles S. Storrow Charles S. Storrow, Agent and Chief Engineer of the Essex Company.

  4. The story of the Great Stone Dam. • The Great Stone Dam was an engineering marvel. It was the longest dam in the world. It took three years and $250,000 to build. • It was built by Irish immigrants • It was the first dam to ever use hydraulic cement.

  5. Dam Construction. • Construction began in August 1845 and completed in September 1847. • The Irish Famin was driving immigrants to the United States.One of the first places they went was to Lawrence. • The Irish labors lived in shanty villages on the south bank near the dam. • Labors made $0.84 to $1.00 per day.

  6. Dimensions. • It is 1629 ft long • 35 ft wide at the base • The height is 25ft • It is 12.5 ft at the top.

  7. Power in the Merrimack River. • The Merrimack River provides 5000 cubic feet of water per second at the dam. • The Essex Company sold the power to the mills in units called mills. A mill is 30 cubic feet of water per second with a 25 feet head.

  8. The North Canal. • To deliver power to the mills, the Essex Company built the canal. • The Canal is 5330 ft long, 12 ft deep, and 100 ft wide near the dam and narrows to 60 ft at the point it reenters the Merrimack. • The Irish labors also built the canal.

  9. The Construction of the Dam • There were no power tools or heavy machinery to help build the dam or canal. Instead they used men, horses, and a system of pulleys.

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