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

...on into the Union introduced into Congress......Feb. 13, 1819 By act of Congress, Arkansas Territory is set off from Missouri......March 2, 1819 Independence, a pioneer steamboat, ascends the Missouri River and arrives at Franklin, Howard county......May 28, 1819 Western Engineer, a steamboat constructed by Col. S. H. Long for an expedition up the Missouri to the Yellowstone, leaves St. Louis....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Missouri (Missouri, United States) 15,687 836 1 0 0 user votes
Missouri (United States) 560 116 0 0 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.