Thesaurus Term/Concept: TRIAL LEVEL
Identifier | 152319 |
---|---|
Class | MONUMENT TYPE |
Status | Preferred |
Index? | Yes |
Scope Note | Vertical or horizontal levels driven into a hill slope to assess the viability of mineral resources but never fully exploited. |
Identifier | 152319 |
---|---|
Class | MONUMENT TYPE |
Status | Preferred |
Index? | Yes |
Scope Note | Vertical or horizontal levels driven into a hill slope to assess the viability of mineral resources but never fully exploited. |