Location: Monument indicates the first line of battle held by the 12th Illinois Cavalry on July 1, 1863. It is located on north Reynolds Avenue south of the Western Maryland Railroad Cut bridge.
Description: Rough-hewn monolith with polished inscription panels and a saddle with cavalry accouterments draped over the top. A relief on the front depicts a round state seal with crossed sabers and palm leaf and the 12th Illinois Cavalry insignia.