nationalNaturalLandmarkDesignationYear

P84242 predicate

Indicates the year in which a place or feature was officially designated as a National Natural Landmark.

Observed surface forms (2)

Sample triples (5)

Subject Object
Cleveland-Lloyd Dinosaur Quarry 1965 via predicate surface "designatedAsNationalNaturalLandmarkIn"
Enchanted Rock State Natural Area 1970
Fort Rock 1966 via predicate surface "designatedAsNationalNaturalLandmark"
Longhorn Cavern State Park 1971
Paluxy River dinosaur tracks 1969