"Doe Mine Coal [Obsolete: use DOEM]"@en . . . "318.0"^^ . . "319.0"^^ . "Doe Coal (South Lancashire)"@en . "Coal."@en . . . "DOEM"@en . . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . "Doe Coal (South Lancashire)"@en . . . "stable"@en .