Statistics for occurrence #1 of “Col. S. H. Long” in entry united-states-of-america-missouri of Harper's Encyclopedia of United States History:
...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......June 21, 1819
Act approved authorizing the people of Missouri Territory to form a State constitution......March 6, 1820...
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† 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.