- Regional/ North America/ United States/ Pennsylvania/ Science and Environment/ Parks/ National Parks and Monuments/ Independence_NHP@ (1)
- Regional/ North America/ United States/ Indiana/ Travel and Tourism/ Parks/ National Parks and Monuments/ Indiana_Dunes_NL@ (2)
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- Regional/ North America/ United States/ Michigan/ Travel and Tourism/ National Parks and Monuments/ Isle_Royal_NP@ (6)
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