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Tanner's large map of North America 1825

Title: A Map of North America, Constructed According to the Latest Information
Author: Tanner, Henry Schenck
Description: Copper-engraved map, hand-colored. Originally issued on 4 sheets, this copy in 16 sections, laid on modern linen backing. 108.5x149 cm. (42¾x58¾").Tanner's important map of North America, originally copyrighted in 1822, and issued in the 1823 edition of The New American Atlas, this being the 1825 revised issue. Wheat describes the 1823 issue, calling it "a landmark - a great cartographical achievement - and its appearance brought to the fore the engraver who worked with Samuel Lewis back in 1804 on the little map of Louisiana... Tanner states in the Geographical Memoir accompanying his maps that he had devoted nearly ten years study to this subject, using a `globular projection,' similar to that used by Arrowsmith. He used as a basis Kotzebue, Arrowsmith and Vancouver, and for the British Possessions Mackenzie, Harmon's Journal, and Hearne's map of the Coppermine River. For the United States he used the map of Lewis and Clark, and by correcting the longitude given by these explorers by that of Lieutenant Graham for Council Bluffs, he was enabled to construct a whole new longitudinal scale for which he placed the `Oregon Mountains' three degrees farther East. He also used Thomas Nuttall's work for parts east of the 100th meridian..." Wheat Transmississippi 350.
Heading: zzgPlace Published: Philadelphia
Publisher:
Date Published: 1825