Blue - Union States
Grey - Confederate States
Pink - Border States
Brown - Territories
Red Stars - St. Paul, MN were the Unit was formed and St. Louis, Mo where the 2nd Minnesota Battery was equipped and trained
Yellow Stars - Battles of Cornith, MS, Perryville KY, Stones River, TN, Chattanooga, TN, Chickamauga, GA, and Tunnel Hill/Buzzard Roost, GA
Orange Star - Members of the battery temporary assign to 2nd Illinois Battery during the battle of Atlanta, GA
www.d-maps.com provided the base map of the United States.