Statistics for occurrence #1 of “military engineer Vauban” in chapter 3 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.:

...to allow of quick artillery concentration; yet what else could have won Gettysburg for the Federals? Proper defense against cannon was even less understood until the Civil War. If Louis Xiv's military engineer Vauban had come to life during any battle or siege that followed his death up to 1861, he could easily have directed the operations of the most advanced army engineers — whose fortifications, indeed, ...
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