Regiments in Tyler's Brigade

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[source: Official Records series 1 volume 12 part 3 pages 790-791]

HEADQUARTERS, Alexandria, Va., September 1, 1862--10 p.m.
General GEORGE B. McCLELLAN:

Brig. Gen. E. B. Tyler's command consists of the Ninety-first, 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.

[I didn't transcribe the rest]

S. WILLIAMS, Brigadier-General