Continuing my interest in maps, I found these three, which compare the locations of native North American tribes before settlers arrived with where they are living today.
(The maps can be enlarged by clicking on them)
A map designed by Native North Americans themsleves, depicting their history.
A more modern map, showing a European view of tribal locations in America and Canada at the time of the arrival of foreign settlers.
This map shows the current dispersal of Native Americans in modern-day USA.