Here is a close up of the Iron Brigade emblem at Gibbon's grave.  Notice the symbol of Battery B in the center. Photo courtesy of Brant Doty.

Cpl. Scott Gutzke and Cpt. Terry Brown with Major General John Gibbon's grave at Arlington National Cemetery on June 28, 2002. Scott and Terry are also both members of Major General John Gibbon Camp #4, Son's of Union Veterans of the Civil War. Photo courtesy of Brant Doty.