Statistics for occurrence #1 of “Mass.” in chapter 1, page 14 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 2:

... Mate. Black, Nathan W., Mass.Mass.-Jan. 25, 1862.Actg. Master's Mate.Mahaska; Inka.No. Atlantic; E. Gulf.Nov. 12, 1865..Hon. discharged.Actg. Ensign. Dec. 11. 1862.Actg. Ensign. Blackmer, John, Mass. Mass.Mass.Dec. 7, 1863.Actg. Asst. Surgeon.Montgomery.North Atlantic.Sept. 23, 1864.Resigned.Actg. Asst. Surgeon. Nov. 14, 1864.Actg. Asst. Surgeon.Aug. 18, 1865.Hon. discharged.Actg. Asst. Surgeon....
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