This unusual thematic map shows the wind and ocean current systems in North America. Two notes in northern Canada indicate the discoveries of Mackenzie and Hearne, and a note that stretches from Canada through the U.S. indicates "plains, or massive expanses of meadows like in Tartary." In Central America, Honduras is named Mosquitos.
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Condition: B+
Issued folding, now pressed, with faint toning along folds and a few small, insignificant spots. The top margin is trimmed close at left, but is still adequate for framing