Which Maine county had a 2010 population of over 50,000 and was where the designer of the Eaton School began his career?
Eaton School (Norridgewock, Maine): The Eaton School, in Norridgewock, Maine, also known as Somerset Grange #18, is a historic community building at Main Street and Mercer Road in Norridgewock, Maine. Eaton School (Norridgewock, Maine):  Originally built in 1866-67 to house a private academy and the local Masonic lodge, it is notable as an early design of Charles F. Douglas, a Maine native whose career began in Somerset County.
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