... Pilot Knob had been fired by the enemy, and the immense pile of charcoal glowed and flamed all night, making the valley as light as noonday. Moreover, I learned Colonel Slayback's command held the Mineral Point road just north of the town, leaving the Potosi road the only exit not certainly in the possession of the enemy. But, with all its dangers, the policy of retreat was clearly best; and preparations ...