The Goodnough Dike is on the southeastern end of a reservoir that was built between what years?
Goodnough Dike: The Goodnough Dike (actually a dam) is on the southeastern end of the Quabbin Reservoir, the largest water body in Massachusetts. Quabbin Reservoir: The Quabbin Reservoir is the largest inland body of water in the Commonwealth of Massachusetts and was built between 1930 and 1939.
1930 and 1939