Impure-coal (Q42517)
From geokb
An impure coal containing 15 to 50% ash (or 50 to 85% organic matter
Language | Label | Description | Also known as |
---|---|---|---|
English | Impure-coal |
An impure coal containing 15 to 50% ash (or 50 to 85% organic matter |
Language | Label | Description | Also known as |
---|---|---|---|
English | Impure-coal |
An impure coal containing 15 to 50% ash (or 50 to 85% organic matter |