Pricing Change
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SUBTERRANEAN STRUCTURE
An artificial feature located beneath ground level. Use specific term where known.
Classifications
Related Terms
| Term | Note |
|---|---|
| MINE | An excavation made in the earth for the purpose of digging out metallic ores, coal, salt, precious stones and other minerals. Use specific term where known. |
| SOUTERRAIN | A subterranean or partly subterranean chamber or passage. Often associated with an above ground structure. |
