Dee ihe na-esote paragraf a - N'afọ 1864, Osborn nyere iwu na 1st Brigade, 1st Division nke XXIV Corps nke Army of the James. E merụrụ Osborn ahụ nke ukwuu n'Agha Drewry's Bluff
N'abalị iri na anọ n'ọnwa Mee n'afọ 1864, bọmbụ a gbagburu ya n'ikpere aka nri ya ma banye n'ogwe aka ya. Ọ nọrọ n'ụlọọgwụ ruo ọnwa Septemba tupu a tọhapụ ya maka ọrụ. Na December, ọ gbakeela ruo n'ókè nke ịbịa rụọ ọrụ. Otú ọ dị, ọ rịara ọrịa ankylosis n'ikpere aka ahụ e merụrụ ahụ́ ná ndụ ya nile.