(From Albert Bushnell Hart & alii (eds.), AMERICAN HISTORY ATLAS, 3rd Revised Edition, Chicago, Denoyer-Geppert, 1930)
(From Townsend Mac Coun, AN HISTORICAL GEOGRAPHY OF THE UNITED STATES, Revised Edition, New York-Boston-Chicago, Silver, Burdett & Co, 1901)
(From Dixon Ryan Fox, HARPER’S ATLAS OF AMERICAN HISTORY (THE AMERICAN NATION SERIES), New York-London, Harper and Brothers, Publishers, 1920)