. "Given's Coal (Rothbury Area) [Obsolete: use TILY]"@en . . . "archaic"@en . . "GVNC"@en . "318.0"^^ . . "Obsolete name. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . . "Tilley Coal (Northumberland and Durham)"@en . "319.0"^^ . . "Given's Coal (Rothbury Area) [Obsolete: use TILY]"@en . . .