Source: Map of the inhabited part of the State of Maine, exhibiting the progress of its settlement since the year 1778, the Representative Districts since the year 1820, and the population and valuation of taxable property in each District at the year 1820. By Moses Greenleaf. Engraved by William Chapin, N.Y. for Greenleaf's Survey of Maine, 1828. Published by Shirley & Hyde, Portland, 1829. David Rumsey Historical Map Collection.