Twelfth Army Corps

Historical marker location:

Sharpsburg, Maryland

( Marker is at the intersection of Dunker Church Road / Old Hagerstown Pike and Smoketown Road, on the right when traveling north on Dunker Church Road / Old Hagerstown Pike.)

Goodrich's Brigade, Green's Division.

Maryland was home to one of the first railroads in the United States: The Baltimore and Ohio Railroad, which was founded in 1827, was one of the first railroads in the United States. It played a crucial role in the transportation of goods and people, and helped make Baltimore an important hub for commerce and industry.