"330.3"^^ . "stable"@en . . "Coal."@en . . "COCR"@en . . "Corbie Craig Coal"@en . . "327.0"^^ . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Pendleian Substage (Carboniferous Period) (330.3-327 Ma BP)."@en . . . . . "Corbie Craig Coal"@en .