In the 1840s, engineers blasted through 175 feet of earth and bedrock at Allatoona Pass, Georgia, to allow passage of the Western & Atlantic Railroad.
Little more than twenty years later, both the Union and Confederate armies fortified the hills and ridge.
In the 1840s, engineers blasted through 175 feet of earth and bedrock at Allatoona Pass, Georgia, to allow passage of the Western & Atlantic Railroad