Statistics for occurrence #1 of “Wassaw Sound” in chapter 240 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 1, Mass. officers and men who died.:

...eek, N. C. (June 5, 1862), 47. Trenton Bridge, N. C. (May 15, 1862), 47. Vicksburg, Miss. (June 26-29, 1862), 56. Washington, N. C. (Sept. 6, 1862), 47; (March 30-April 16, 1863), 49. Wassaw Sound , S. C. (June 17, 1863), 44. Wauhatchie, Tenn. (Oct. 27, 1863), 105. Waynesboroa, Va. (March 2, 1865), 112; (Sept. 28, 1864), 114. Weldon Railroad or Six Mile House, Va. (June 22, 1864), 1...
Max. Freq. Min. Freq.
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