. . . . "Coal."@en . . "Queen Coal (Rothbury Area) [Obsolete: use BEN]"@en . "stable"@en . "Bensham Coal (Northumberland)"@en . . . "Bensham Coal (Northumberland)"@en . . "314.75"^^ . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Duckmantian Substage (Carboniferous Period) (318-314.75 Ma BP)."@en . "BEN"@en . "318.0"^^ . . "Maudlin Coal (Durham)"@en . .