... by 4 o'clock P. M. Gregg's division was concentrated at Mount Airy, north of Ridgeville, where it was supplied with a scanty allowance of rations and forage. Five o'clock found it on the march for Westminster , with the 3d Pennsylvania of McIntosh's brigade in advance. Having been on almost continuous duty, night and day, since the battle of Brandy Station, on the 9th, the prospect of another night march...