United States National Register of Historic Places |
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Archeological Site 39HD22
| NRHP ID: 84003296 |
| Multiple property submission: Petroforms of South Dakota TR |
| Location (in/near): Danforth, South Dakota |
| Listed: 1984-02-23 |
| Role: Site |
| Significance region: State |
| Significance area(s): Prehistoric |
Data from United States Park Service and Wikidata