Statistics for occurrence #1 of “Missouri” in part 1.2, chapter 1.3 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 2: Two Years of Grim War.:

...cDowell were consolidated to form this new army, called the Army of Virginia. General Fremont refused to serve under his junior, and his force was given to Franz Sigel, who had won fame in 1861 in Missouri . This picture was taken about two weeks after the reorganization was completed. The soldiers are those of McDowell's Corps. They are on the old battlefield of Bull Run, enjoying the leisure of ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Missouri (Missouri, United States) 15,687 10 1 0 0 user votes
Missouri (United States) 560 0 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.