Statistics for occurrence #1 of “Rich Mountain, Virginia” in chapter 1.2 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 7: Prisons and Hospitals.:

...issouri, was taken by Captain Nathaniel Lyon, U. S. A., and the officers and men were paroled not to serve again during the war. Several hundred prisoners were taken by General George B. McClellan at Rich Mountain, Virginia , in July, and all were paroled, except two who had previously served in the United States army. These the War Department ordered General McClellan to retain. Then, on July 21, 1861, came the batt...
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