Scouting in Murray County, Georgia: near Waterhouse's Farm and Sumac Creek, March 1864

Official Records, Series 1, Vol. 32, Part 3 (Correspondence, etc.), 101.
https://texashistory.unt.edu/ark:/67531/metapth152650/m1/110/

A.P. Campbell, 21 Mar. 1864, Cleveland, Tenn., to Brig.-Gen. William D. Whipple

"One of my scouts left Sumac Creek south of Waterhouse's farm at 12 o'clock last night, and reports having heard drums in a southwest direction from there in the evening."

____________

Citation:

United States. War Department. The War of the Rebellion: A Compilation of the Official Records of the Union And Confederate Armies. Series 1, Volume 32, In Three Parts. Part 3, Correspondence, etc., book, 1891; Washington D.C.. (texashistory.unt.edu/ark:/67531/metapth152650/m1/110/?q=Sumac%20creek%20south%20of%20Waterhouse%27s%20farm: accessed August 26, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

The following site has a text extract. The site references the Serial Set instead of the O.R. books, which makes it hard to find elsewhere; but it is searchable over a series of the official records.
https://ehistory.osu.edu/books/official-records/059/0101

James B. Steedman commanding District of the Etowah, June 1864, and in same (reorganized), Feb. 1865

James B. Steedman, District of the Etowah, June 1864

The War of the Rebellion: A Compilation of the Official Records of the Union And Confederate Armies. Series 1, Volume 38, In Five Parts. [Washington: Government Printing Office, 1891]. 

Series 1, Volume 38, In Five Parts. Part 4 (Correspondence, etc.), 492
https://texashistory.unt.edu/ark:/67531/metapth146044/m1/492/

Major General James B. Steedman assumes command of the District of the Etowah:

General Orders, No. 1 } Hdqrs. District of the Etowah,
Chattanooga, Tenn., June 15, 1864.
I. Pursuant to paragraph I, Special Field Orders, No. 22, Military Dvision of the Mississippi, dated June 2, 1864, the undersigned hereby assumes command of the District of the Etowah, comprised as follows of the country from Bridgeport to Allatoona, including Cleveland, Rome, and the country east as far as controlled by the Federal troops.

[etcetera]

J. B. Steedman,
   Major-General

_____________________________

James B. Steedman, District of the Etowah (Reorganized), February 1865

The War of the Rebellion: A Compilation of the Official Records of the Union And Confederate Armies. Series 1, Volume 49, In Two Parts [Washington: Government Printing Office, 1897].

Series 1, Volume 49, In Two Parts. Part 1 (Reports, Correspondence, etc.), 786
https://texashistory.unt.edu/ark:/67531/metapth139843/m1/802/?q=etowah

In Thomas's General Orders no. 12: Major General James B. Steedman is named as commander of the reorganized District of the Etowah, which comprises the 2nd Division, Department of the Cumberland, in Thomas's General Orders no. 12, dated 28 February 1865, signed by Wm. D. Whipple, Assistant Adjutant General, "By command of Major-General Thomas."