Western Maryland Interpretive Association (WMIA) is a not-for-profit cooperating association of Antietam and Monocacy National Battlefields. WMIA offers a variety of publications, maps, and theme-related merchandise to enhance your understanding, appreciation, and knowledge of the Battles of Antietam and Monocacy. All purchases benefit interpretive, educational, and activities at both parks. Please visit our online museum shop.
To make a tax-deductible donation, please send to:
Western Maryland Interpretive Association /
Did You Know?
The "Y" at Monocacy Junction, completed in 1830, allows trains to turn around. It was the first of its kind in the United States, and is still in use today.