"CLCC"@en . "Clock's Cleuch Coal"@en . . "330.9"^^ . . . . . "Clock's Cleuch Coal"@en . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Asbian Substage (Carboniferous Period) (337-330.9 Ma BP)."@en . "337.0"^^ . "stable"@en . . . . "Coal."@en .