Meade interfered with this.

Burnside then took Ledlie's division--a worse selection than the first could have been.

In fact, Potter and Willcox were the only division commanders Burnside had who were equal to the occasion.

Ledlie besides being otherwise inefficient, proved also to possess disqualification less common among soldiers.
There was some delay about the explosion of the mine so that it did not go off until about five o'clock in the morning.

When it did explode it was very successful, making a crater twenty feet deep and something like a hundred feet in length.