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The Kennebec ranks fourth, in terms of length, 174 miles, among Maine's rivers, and is navigable to the head of navigation at Augusta, the state's capital. The Androscoggin River, Maine's third-longest river at 174 miles, joins the Kennebec at Merrymeeting Bay.
– Mark Honey
Bill Caldwell, Rivers of Fortune: Where Maine Tides and Money Flowed (Portland, ME: Guy Gannett Publishing Company, 1983).
Roger F. Duncan, Coastal Maine: A Maritime History (New York: WW Norton & Co., 1992).