Statistics for occurrence #1 of “Western Pennsylvania” in chapter 10, page 260 of William F. Fox, Lt. Col. U. S. V., Regimental Losses in the American Civil War, 1861-1865: A Treatise on the extent and nature of the mortuary losses in the Union regiments, with full and exhaustive statistics compiled from the official records on file in the state military bureaus and at Washington:

...otopotomoy. notes.--The Eleventh sustained the heaviest loss of any regiment in the Pennsylvania Reserves, while its percentage of loss is among the largest of any in the war. It was recruited in Western Pennsylvania , and arrived July 26, 1861, at Washington, where it was assigned to the Second Brigade, which was then commanded by General Meade. At Gaines's Mill, the EleventH held its position in the face of a ...
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