Organized at Dubuque and mustered in September 24, 1861. Moved to St. Louis, Mo., September 26-30. Attached to Dept. of Missouri to January, 1862. Unattached, Army of Southwest Missouri, to February, 1862. 2nd Brigade, 4th Division, Army of Southwest Missouri, to May, 1862. Artillery, 2nd Division, Army of Southwest Missouri, to July, 1862. Artillery, District of Eastern Arkansas, Dept. of Missouri and Dept. of the Tennessee, to January, 1863. Artillery, 13th Division, 13th Army Corps, Dept. of the Tennessee, to July, 1863. Artillery, 13th Division, 16th Corps, to August, 1863. Artillery, 3rd Division, Arkansas Expedition, to January, 1864. Artillery, 3rd Division, 7th Army Corps, Dept. of Arkansas, to May, 1864. Artillery, 1st Division, 7th Corps, to August, 1865. Dept. of Arkansas to October, 1865.
Moved to Pacific City, Mo., November 13, 1861, and duty there guarding Railroad till January 25, 1862. Moved to Rolla, Mo.; thence to Lebanon January 28-February 4. Curtis' advance on Springfield February 9-13. Pursuit of Price to Cassville February 13-16. Action at Sugar Creek February 17. Expedition toward Huntsville March 4. Battles of Pea Ridge March 6-8. March to Batesville April 5-May 10, thence to Helena May 25-July 14. Duty at Helena till August, 1863. Expedition from Helena to Grenada, Miss., November 27-December 5, 1862. Expedition up White River January 13-19, 1863. Expedition from Helena to Yazoo Pass by Moon Lake, Yazoo Pass, Coldwater and Tallahatchie Rivers and operations against Fort Pemberton and Greenwood February 24-April 8. Repulse of Holmes' attack on
Helena July 4. Steele's Expedition to Little Rock August 11-September 10. Near Bayou Metoe August 26. Bayou Fourche and capture of Little Rock September 10. Rice's Expedition to Arkadelphia November 10-18. Duty at Little Rock till August, 1865. Expedition to Fort Smith September 25-October 13, 1864 (Detachment). Moved to Fort Smith August, 1865, thence to Davenport, Iowa, October. Mustered out Oct. 23, 1865.
Battery lost during service 3 Enlisted men killed and mortally wounded and 34 Enlisted men by disease. Total 37.