Statistics for occurrence #1 of “Kelly's mill” in chapter 10 of Brigadier-General Ellison Capers, Confederate Military History, a library of Confederate States Military History: Volume 5, South Carolina:

...the First North Carolina, 50 from the Cobb legion, 40 from the Jeff Davis legion, 347 from the Phillips legion, and 34 from the Second South Carolina, a force of 208 men, Hampton crossed the river at Kelly's mill and moved northeast to Morrisville. Learning of an outpost stationed at a church 8 miles east of Falmouth, immediately on Burnside's right flank, and on the road from Morrisville to Fredericksburg...
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Kelly's Mill (Florida, United States) 8 2 0 0 0 user votes

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