Statistics for occurrence #1 of “Fortress Monroe” in chapter 5.16 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

... of silencing the Confederate artillery fire. Both Sections of Union Battery No. 4. The heavy barge at the landing transported the ten huge mortars, with their ammunition, all the way from Fortress Monroe up the York River and Wormley's Creek to the position of the battery. There they were laboriously set up, and, without firing a shot, were as laboriously removed. On the day of the evacuation the...
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Fortress Monroe (Virginia, United States) 7,630 14 276 0 0 user votes

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