...tic pursuit by him, had so impressed Governor Letcher and Colonel Johnson, the latter now in command as the ranking officer present, that a retreat was ordered to the top of Alleghany mountain, where Brig.-Gen. H. R. Jackson , of Georgia, who had been sent to take command, met the army and thence continued the retreat to Monterey, where he established headquarters on the 14th and awaited reinforcements and the return of t...