Drawn from the latest and most accurate observations, at Amsterdam by Cóvens and Mortier and Cóvens, junior. H. Klockhoff, sculp.Cóvens et Mortier. CREATED/PUBLISHED [Amsterdam] 1780. NOTES Scale ca. 1:768,000. Relief shown pictorially. Oriented with north toward the lower left. Shows land grants and purchases in northeastern New York State and granted townships in Vermont and parts of New Hampshire, and Massachusetts.