Account of the Siege of Yorktown

Siege of Yorktown
It was four o'clock in the morning when my commanding officer awoke me and we were ordered to prepare to march. We had set up an extensive camp at Chatham in New York, we all believed that we would attack New York City. It turned out that we were marching on towards Yorktown.
When we arrived at Yorktown the bay was full of French ships. Our army along with the French encircled Cornwallis. Cornwallis did not surrender, he waited for a larger British fleet to save him.
Being in the Corps of Sappers and Miners we were to prepare mines and trenches. …