. "stable"@en . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Pendleian Substage (Carboniferous Period) (330.3-327 Ma BP)."@en . . "330.3"^^ . . . "Comrie Two Foot Coal"@en . "Coal."@en . "COTN"@en . "327.0"^^ . . . . "Comrie Two Foot Coal"@en .