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The Mitchell Map. The Mitchell Map is a map made by John Mitchell (1711–1768), which was reprinted several times during the second half of the 18th century. The map, formally titled A map of the British and French dominions in North America &c., was used as a primary map source during the Treaty of Paris for defining the boundaries of the newly independent United States.
John Mitchell (April 13, 1711 – February 29, 1768) was a colonial American physician and botanist.He created the most comprehensive and perhaps largest 18th-century map of eastern North America, known today as the Mitchell Map.
He produced John Elphinstone's map of Scotland (1746), Geographia Scotiae (1749), and The Small English Atlas (1749) with Thomas Jefferys. The Large English Atlas (with Bowen 1749–60) was a serious attempt to cover England at large scale. In 1755 Kitchin engraved the Mitchell Map of North America. [citation needed] He worked for London ...
Age of the bedrock underlying North America, from red (oldest) to blue, green, yellow (newest). Seventy percent of North America is underlain by the Laurentia craton, [5] which is exposed as the Canadian Shield in much of central and eastern Canada around the Hudson Bay, and as far south as the U.S. states of Michigan, Wisconsin, and Minnesota.
Geographer Peter Rogerson has devised a rather precise method for finding the true center of North America. Geographer finds that a town called Center is, in fact, the center of North America Skip ...
Thomas Jefferys (c. 1719 – 1771), "Geographer to King George III", was an English cartographer who was the leading map supplier of his day. [1] He engraved and printed maps for government and other official bodies and produced a wide range of commercial maps and atlases, especially of North America. [2]
Abraham Bradley Jr. (1767–1838), created first postal road maps of the United States; George Bradshaw (England, 1801–1853) Eugenia Wheeler Goff (United States, 1844–1922), combined history, resources, and geography; Leslie George Bullock (1895–1971) Bernard J. S. Cahill (1867–1944), inventor of octahedral "Butterfly Map" of the world
That year, Hutchins joined George Croghan, deputy Indian agent, and Captain Henry Gordon, chief engineer in the Western Department of North America, on an expedition down the Ohio River to survey territory acquired by the 1763 Treaty of Paris. Hutchins worked in the Midwestern territories on land and river surveys for several years until he was ...