One or two early farmers going phlegmatically to their fields saw them, but they passed on in silence.

They had grown too used to soldiers to pay much attention to them.

Moreover, these were their own.
The whole valley was now flooded with light.

To east and to west loomed the great walls of the mountains, heavy with foliage, cut here and there by invisible gaps through which Harry knew that the Union troops were pouring.
They caught sight of moving heads on a narrow road coming from the west which would soon merge into theirs.

They slackened speed for a moment or two, uncertain what to do, and then Aubrey exclaimed: "It's a detachment of our own cavalry.