'Largest block ever found of it in U.S., 56 tons, was used for Tomb of the Unknown Soldier'
marble
ROCKS & MINERALS: Largest block ever found of it in U.S., 56 tons, was used for Tomb of the Unknown Soldier
Largest block ever found of it in U.S., 56 tons, was used for Tomb of the Unknown Soldier
Largest block ever found of it in U.S., 56 tons, was used for Tomb of the Unknown Soldier
ROCKS & MINERALS
marble
ROCKS & MINERALS