United States National Register of Historic Places |
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Marconi Wireless-Synanon Tomales Bay Headquarters Historic District
| NRHP ID: 88003223 |
| NARA ID: 123859717 |
| Location (in/near): Marshall, California |
| Listed: 1989-07-24 |
| Role: District |
| Significance region: Local |
| Significance area(s): Architecture; Communications; Social History |
| Boundary change: Marconi Wireless-Synanon Tomales Bay Headquarters Historic District (Boundary Increase) |
Data from United States Park Service and Wikidata