United States National Register of Historic Places |
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Northern Mariana Islands - Area of significance: Engineering
| Brown Beach One Japanese Fortifications |
| Japanese 20mm Cannon Blockhouse |
| Japanese Coastal Defense Gun |
| Rota Latte Stone Quarry |
| Unai Lagua Japanese Defense Pillbox |
| Waherak MAIHER |
Data from United States Park Service and Wikidata