HEADQUARTERS, Alexandria, Va.,
September 1, 1862
General GEORGE B. McCLELLAN:
Brig. Gen. E. B. Tyler's command consists of the
, One hundred and twenty-sixth, and One hundred and twenty-ninth
Pennsylvania; for duty, 2,158. He also has a section of Barnes' battery (c), First New York Artillery.
S. WILLIAMS, Brigadier-General