Statistics for occurrence #1 of “South Dakota” in entry united-states-of-america-michigan of Harper's Encyclopedia of United States History:

...1832 Congress adds to Michigan the territory between the Mississippi River and the Missouri and White Earth rivers, thus including the whole of the present Minnesota, Iowa, and parts of North and South Dakota ......June 28, 1834 Governor Porter dies; Stevens T. Mason acting governor......July 6, 1834 Question of southern boundary being agitated, Ohio commissioners, running a line about 12 miles sou...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
South Dakota (South Dakota, United States) 435 247 1 1 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.