Manuscript map 8 of the Plymouth Company's records showing the Sheepscot River lots Nos. 47-60 including description of land disputes between Dr. John McKechnie, Joseph Prince, and Assa Smith.

Other landowners' names on map include Dr. Silvester Gardiner, Stephen Hasselton, Nehemiah Turner, Charles Harvey and Assa Hilton.

This is a 1778 copy of part of Jonas Jones' plan of Pownalborough. The geographic area included on this map is now known as Alna.