...ion halted; and as Smith's was extended, it was between three and four hours in passing. As soon as this was ascertained, and feeling that Stoneman would require no additional support, I applied to Brig.-Gen. Heintzelman , the superior officer charged with the advance on the Yorktown road, for authority to throw my command on to the Hampton road, which intersected that on which Brig.-Gen. Stoneman had halted, at the i...