defensive_works=ravelin (Q22334)
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Triangular outwork that protects the innerwork of a fortification
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | defensive_works=ravelin |
Triangular outwork that protects the innerwork of a fortification |
Statements
defensive_works=ravelin
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Star-Spangled Banner, Fort McHenry National Monument, Baltimore, Maryland (14311492319).jpg
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Tag:defensive_works=ravelin (English)
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