Directing Harker to put Opdyke's demi-brigade in on the right, I

informed Wagner that it was necessary to flank the enemy by carrying

the high bluff on our left where the ridge terminated, that I had

designated the Twenty-Sixth Ohio and Fifteenth Indiana for the work,

and that I wished him to join them.

It was now dusk, but the two regiments engaged in the flanking

movement pushed on to gain the bluff. Just as they reached the crest

of the ridge the moon rose from behind, enlarged by the refraction of

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