Trade name: fonolit (čedič)
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| Object: | Hrad Střekov |
| Architectural Element: | Walls |
| Architectural Object: | Castle |
| Address: | Ústí nad Labem |
| District: | Ústí nad Labem |
| Region: | Ústecký |
| State: | CZECH REPUBLIC |
| Way of Utilization Description: | |