Statistics for occurrence #1 of “Drewry's Bluff” in chapter 15 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.:

... Drewry's Bluff
O. E. Hunt, Captain, United States Army The Editors desire to express their grateful acknowledgment to Col...
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Drewry's Bluff (Virginia, United States) 1,821 36 193 0 0 user votes

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