An accurate map, of the district of Maine being part of the commonwealth of Massachusetts : compiled pursuant to an act of the general court, from actual surveys of the several towns &c. taken by their order ; exhibiting, the boundary lines of the district the counties and towns, the principal roads, rivers, mountains, mines, islands, rocks, shoals, channels, lakes, ponds, falls, mills, manufactures, and public buildings, with the latitudes and longitudes &c.