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"Mesa Verde National Park", 
"Certified in 1978", "", ""
,"Yellowstone National Park", 
"Certified in 1978", "", ""
,"Everglades National Park", 
"Certified in 1979", "", ""
,"Grand Canyon National Park ", 
"Certified in 1979", "", ""
,"Independence Hall", 
"Certified in 1979", "", ""
,"Redwood National and State Parks", 
"Certified in 1980", "", ""
,"Mammoth Cave National Park", 
"Certified in 1981", "", ""
,"Olympic National Park", 
"Certified in 1981", "", ""
,"Cahokia Mounds State Historic Site", 
"Certified in 1982", "", ""
,"Statue of Liberty", 
"Certified in 1984", "", ""
,"Chaco Culture", 
"Certified in 1987", "", ""
,"Pueblo de Taos", 
"Certified in 1992", "", ""
,"L'Anse aux Meadows National Historic Site", 
"Certified in 1978", "", ""
,"Dinosaur Provincial Park", 
"Certified in 1979", "", ""
,"Head-Smashed-In Buffalo Jump", 
"Certified in 1981", "", ""
,"Historic district of Old Quebec", 
"Certified in 1985", "", ""
,"Waterton Glacier International Peace Park", 
"Certified in 1995", "", ""
,"Joggins Fossil Cliffs", 
"Certified in 2008", "", ""
);


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