[Title] A chart of Portland Sound, Hussey Sound, Broad Sound Middle Bay, Mericonig Harbour, Seqadahock River, Roger's Bay, &c.

Scale: circa 1:50,000 (lat). Eastern part only of a chart in two parts showing the coast of New England, with Portland Sound and Falmouth (Portland). Late pull from a plate of the Atlantic Neptune (HNS 105) surviving in the Hydrographic Department before being donated to the Massachusetts Historical Society, in 1947. Engraving error in latitude scale of 24 minutes.