Statistics for occurrence #1 of “General Grant” in chapter 13 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...rain and sent to Petersburg, where a bridge was needed to facilitate crossing the Appomattox River at that point. Of the eleven companies of engineer troops which remained north of the James during General Grant 's first operations against Petersburg, one company was in charge of the pontoon bridge at Chaffin's Bluff and ten served as infantry on what was known as the Deep Bottom line. As soon as it becam...
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