Gallatin's tribes of North America, 1836
Hon. Albert Gallatin; published by the American Antiquarian Society, Pendleton's Lithography, 1836 · about 100 km accuracy
Albert Gallatin's founding map of American ethnology, published by the American Antiquarian Society with his Synopsis of the Indian Tribes: the homelands of the continent's nations tinted by language family — Algonkin-Lenape, Iroquois, Cherokee, Muskogee, Choctaw-Chickasaw, Sioux, Blackfeet, Pawnee, Athapasca, Eskimaux — as of about 1600 along the Atlantic and about 1800 westward. A continental baseline: every state shows its nations here.
Source: Library of Congress, Geography and Map Division · Rights: public domain