d_extraction_method
CODE | DESCRIPTION | FROM_YEAR | TO_YEAR |
---|---|---|---|
1 | Skidding | 1984 | |
2 | Carrying | 1984 | |
3 | Mixed | 1984 | |
99 | Unknown | 1984 |
d_extraction_method
CODE | DESCRIPTION | FROM_YEAR | TO_YEAR |
---|---|---|---|
1 | Skidding | 1984 | |
2 | Carrying | 1984 | |
3 | Mixed | 1984 | |
99 | Unknown | 1984 |