Cyprian Southack (1662-1745) drew his map "Harbour of Casco Bay and islands adjacent" in the 1690s.
The English Pilot officially printed it in 1720.
Eventually a similar map was redrawn and printed in 1764 by John Mount, a London publisher. Between the 1690s and the 1740s, Southack drew 20 known maps of North America’s eastern coast. These charts were crucial navigation aids.
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