Statistics for occurrence #1 of “Minnesota” in chapter 9 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...ich proclaimed him as the head and front of the organization. He continued to act as commander-in-chief. In October, 1866, departments had been formed in Illinois, Wisconsin, Indiana, Iowa, and Minnesota , and posts had been organized in Ohio, Missouri, Kentucky, Arkansas, District of Columbia, Massachusetts, New York, and Pennsylvania. On October 31, 1866, Doctor Stephenson issued General Orders No...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Minnesota (Minnesota, United States) 1,710 14 0 0 0 user votes
Minnesota (California, United States) 0 0 0 0 0 user votes
Minnesota (Georgia, United States) 0 0 0 0 0 user votes
Minnesota (Minnesota, United States) 0 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.