. . "Coal."@en . "Flatts Coal (North Staffordshire)"@en . . "FLTC"@en . . "Flatts Coal (North Staffordshire)"@en . "319.0"^^ . . . "stable"@en . . . "318.0"^^ . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en .