A live Civil War explosive was found in Georgia. Does it need to be destroyed?

...The live round was discovered by archaeologists at Kennesaw Mountain, the scene of a major Civil War battle in 1864. Located near Marietta, Ga., this hallowed ground is where Maj. Gen. William Tecumseh Sherman of the Union Army charged into Confederate forces headed by Gen. Joseph E. Johnston during Sherman's famous March to the Sea...
...According to the Marietta Daily Journal, the shell was probably fired by a Union battery commanded by Capt. Francis DeGress of the 1st Illinois Light Artillery. The unit included four Parrott cannons, a rifled artillery weapon invented by Capt. Robert Parker Parrott of the U.S. Army in 1860.
Unlike round cannonballs, Parrott projectiles are shaped more like modern artillery shells, with a long body and conical front piece. The shells featured explosive charges with paper fuses that burned at specific rates for different ranges. Because of the rifled barrels, Parrott cannons could fire shells farther and with greater accuracy that smoothbore cannons...
...According to the Marietta Daily Journal, the shell was probably fired by a Union battery commanded by Capt. Francis DeGress of the 1st Illinois Light Artillery. The unit included four Parrott cannons, a rifled artillery weapon invented by Capt. Robert Parker Parrott of the U.S. Army in 1860.
Unlike round cannonballs, Parrott projectiles are shaped more like modern artillery shells, with a long body and conical front piece. The shells featured explosive charges with paper fuses that burned at specific rates for different ranges. Because of the rifled barrels, Parrott cannons could fire shells farther and with greater accuracy that smoothbore cannons...