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C1821
United States and Additions, 1820.
Mapmaker:
John Thomson (fl 1804 - 1837)
Rare large scale of the United States published in 1820 showing the extent of inland knowledge up to and including the expeditions of Lewis and Clark. The states up to the ‘Missouri Territories’ are shown. During the first decade of … Read Full Description
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Details
Full Title:
United States and Additions, 1820.
Date:
C1821
Mapmaker:
John Thomson (fl 1804 - 1837)
Condition:
Minor repairs to sheet edges, otherwise in good condition, with centre fold as issued.
Technique:
Hand coloured copper engraving.
Image Size:
600mm
x 505mm
Paper Size:
717mm
x 540mm
AUTHENTICITY
Genuine antique
dated:
1821
Description:
Rare large scale of the United States published in 1820 showing the extent of inland knowledge up to and including the expeditions of Lewis and Clark. The states up to the ‘Missouri Territories’ are shown.
During the first decade of the nineteenth century, the geographic image of western North America began to change dramatically. Based on the observations of Lewis and Clark, information gathered from native people, and Clark’s own cartographic imagination, this image evolved from an almost empty interior with a hypothetical single mountain range serving as a western continental divide, to an intricate one showing a tangle of mountains and rivers. A continent that had once seemed empty and simple was now becoming full and complex.
It would take another fifty years after Lewis and Clark to complete the cartographic image of the West we know today. Other explorers and map makers followed, each revealing new geographic and scientific details about specific parts of the western landscape. But this revealing process was not a simple one.
Source Library of Congress.
Mapmaker:
John Thomson (fl.1804-1837)
Thomson was a Scottish cartographer, publisher and bookbinder active in Edinburgh during the early part of the 19th century. Thomson is generally one of the leading masters of the Edinburgh school of cartography which flourished from roughly 1800 to 1830. Thomson & his contemporaries (Pinkerton & Cary) redefined European cartography by abandoning typical 18th century decorative elements such as elaborate title cartouches and fantastic beasts in favor of detail and accuracy. Thomson’s principle works include the Thomson’s New General Atlas, published from 1817 to 1821.
