"Dyehouse Coal (South Lanacashire)"@en . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . . . "stable"@en . . "319.0"^^ . . . . "Coal."@en . "318.0"^^ . . "Dyehouse Coal (South Lanacashire)"@en . "DYHC"@en .