Go to your local library or bookstore and look for a civil war atlas of maps. I cannot remember what the official name is. Go on line and look at the official war records at the Ohio State University they have all accounts of civil war battles from both sides on each battle.
Find out who the commanding officers were and read their accounts of the battle.
I will bet that there is an old map of the fort and when you read the battlefield accounts it should say something like, " We attacked the force in mass from the west side with a heavy bombardment first, the infantry went in mass and hit the west wall and scaled it in mass". "Our troops were brave but weary as they marched 10 miles from our previous campsite". "AT one point during the assault Captain Johnson and his company were mercilessly on the receiving end of a bayonet charge by the confederates, they fought as we thought..... in defense of their homeland".
You can read alot into a passage like that once you have the old and new maps together.
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