These points could usually be reached only by a dash of the enemy's cavalry, and many of these block houses successfully resisted serious attacks by both cavalry and artillery.

The only block-house that was actually captured on the main was the one described near Allatoona.

Our trains from Nashville forward were operated under military rules, and ran about ten miles an hour in gangs of four trains of ten cars each.

Four such groups of trains daily made one hundred and sixty cars, of ten tons each, carrying sixteen hundred tons, which exceeded the absolute necessity of the army, and allowed for the accidents that were common and inevitable.

But, as I have recorded, that single stem of railroad, four hundred and seventy-three miles long, supplied an army of one hundred thousand men and thirty-five thousand animals for the period of one hundred and ninety-six days, viz., from May 1 to November 12, 1864.