GBMA - What does GBMA stand for? The Free Dictionary
References in periodicals archive
The GBMA made a number of changes to coincide with the battle's twenty-fifth anniversary.
The association's preservation efforts were commendable; yet, hindered by a lack of money and a strict enabling legislation, the GBMA was only able to purchase land on the Army of the Potomac's battle line.
On February 11, 1895 Congress approved "An Act To Establish A National Military Park at Gettysburg, Pennsylvania" and the GBMA formally deeded its 522 acres to the U.S.