It bought Geauga Lake, an amusement and water park near Cleveland, in 2004 for $145 million only to close all of its roller coasters and thrill rides three years later.

That both the structure and material of gravity dams and construction means of earth dams are used in roller compacted concrete dams make them increasingly used in water work.

That both the structure and material of gravity dams and construction means of earth dams are used in roller compacted concrete dams makes them increasingly used in water engineering.