1st Battery, Missouri State Militia Artillery (Union)
The 1st Battery, Missouri State Militia Artillery was enrolled between 25 January 1862 and 4 April 1862. They were mustered between 25 February 1862 and 3 June 1862. The Battery was discharged 23 November 1862. The Lieutenant Colonel in charge was Arnold Krekel. 
Companies in this Regiment with the Counties of Origin
Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.
Company A - Captain Henry Windmueller - Many men from St. Charles, St. Charles County
Company B - Captain Adolph Hufschmitt - Many men from St. Charles, St. Charles County
Company C - Captain George Muller - Many men from St. Charles, St. Charles County
Company D - Captain Fred Heign - Many men from St. Charles, St. Charles County
Company E - Captain O. N. Thurber - Many men from Harrisonville, Cass County
The above information about the companies with partial rosters is found in Kenneth E. Weant's book, Civil War Records: Union Troops Missouri State Militia Cavalry, Volume 7.
- Beginning United States Civil War Research gives steps for finding information about a Civil War soldier or sailor. It covers the major records that should be used. Additional records are described in 'Missouri in the Civil War' and 'United States Civil War, 1861 to 1865' (see below).
- National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.
- Missouri in the Civil War describes many Confederate and Union sources, specifically for Missouri, and how to find them.. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
- United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
- Kenneth E. Weant, Civil War Records Union Troops Missouri State Militia Cavalry Volume 7 (Arlington, Texas : K.E. Weant, c2007), pages #93-99. FHL book 977.8 M2wkc v. 7