sentences:  Mitchell extended the southern colonies across the entire continent, even over established Spanish territory west of the Mississippi.Mitchell divided up the Iroquois territories (as he understood them, reaching from Lake Champlain [Lac Irocoisia] to the Mississippi, and north of Lake Superior) between Virginia and New York, leaving only a much-reduced territory to the French.Mitchell's map was expensive but it spawned many cheaper variants that trumpeted Halifax and Mitchell's powerful colonial vision to the British public.