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| Park Name | Notes | Stamp(s) |
BadlandsNational Park |
Interesting rock formations. |  
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Jewel CaveNational Monument |
A cave. |  
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Minuteman MissileNational Historic Site |
Missile silo and control room. | 
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Mount RushmoreNational Memorial |
A monument to four presidents. |   
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Wind CaveNational Park |
A cave. |  
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