Table:
text: List of the tallest statues in the United States
List of the tallest statues in the United States
List of the tallest statues in the United States
Statue Location_ Height_m Height_ft Completed Material
Statue of Liberty (Liberty Enlightening the World) Liberty Island , New York 46 m 151ft 1886 cast copper on metal armature
Our Lady of the Rockies Butte, Montana 27 m 88.6ft 1985 cast concrete
National Monument to the Forefathers Plymouth, Massachusetts 25 m 81ft 1907 solid granite
Golden Driller Tulsa, Oklahoma 23 m 75ft 1953 cast concrete and plaster,
Dallas Zoo `s giraffe statue Dallas, Texas 20.5 m 67.6ft 1997 bronze and plexiglass
Tribute to Courage ( Sam Houston statue) Huntsville, Texas 20.5 m 67ft 1994 cast concrete

Question: From the list of tallest statues in the United States, when was the last solid granite statue completed?