Statistics for occurrence #1 of “Capt. H. A. Gray” in chapter 5 of Col. J. J. Dickison, Confederate Military History, a library of Confederate States Military History: Volume 11.2, Florida:

...Dickison, accompanied by two of his men, reconnoitered near the enemy's post on the river side opposite Welaka; and the next day at sundown, with a detachment of 35 men of his command, accompanied by Capt. H. A. Gray , Second Florida cavalry, with 25 of his command, marched 9 miles before reaching the St. John's river. Under cover of night they crossed the river in their small boats, then marched 7 miles to reac...
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