Dynamite box at Indianapolis, (Jones Barn), 1910. Shows the Jones barn in Indianapolis, Indiana. It relates to the brothers James McNamara and John McNamara and the Iron Workers Union dynamite conspiracy and trial, 1910-1911. The Jones Barn, located in Indianapolis, Indiana, played a significant role in the McNamara brothers¡¦ dynamite conspiracy and trial during 1910-1911. The investigation into the Los Angeles Times bombing led authorities to raid the headquarters of the International Association of Bridge and Structural Iron Workers at this very location.