They had died. The battle at Cold Harbor ended one month of fighting for the Army of the Potomac.

VOA: special.2009.11.26

He survived the Battle of the Wilderness, the Battle of Spotsylvania Court House, the Battle of Cold Harbor, the entire Siege of Petersburg from August of '64 all the way until the end of March of 1865.

他在荒地战役中存活了下来,经历了波特瑟尔韦尼亚县府战役,和冷港战役,从1864年8月的彼得斯堡包围战,直到1865年五月底

耶鲁公开课 - 美国内战与重建课程节选

In eighteen sixty-four, the battle at Cold Harbor in Virginia ended a month of fighting by the Union Army of the Potomac.

VOA: special.2009.12.03