Large scale map of New England just prior to the American Revolution

A separate-issue map of New England, originally published in 1757, here re-issued during the increased tensions between Britain and her American colonies.

The map shows the coast from Long Island Sound north to Casco Bay and inland to the Hudson River and Lake Champlain, with the 'Kats Kill Mountains'. The two inset maps are of Boston and its harbour, where the Boston Tea Party was staged less than a year before.
The lack of an engraver's name has led to this map often being ascribed to the publisher, Thomas Jefferys: in fact it was actually drawn by his assistant, Braddock Mead (c.1685-1757), who used the pseudonym John Green to escape from a criminal past. Despite his imprisonment for defrauding an Irish heiress and charges of kidnapping, he seems to have higher standards than his contemporary cartographers: Cumming wrote that at a time 'when the quality and the ethics of map production were at a low ebb in England, he vigorously urged and practiced the highest standards; in the making of maps and navigational charts he was in advance of his time.