. "Douglas Parrot Coal"@en . "DPC"@en . . . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . . "stable"@en . . . "318.0"^^ . "Douglas Parrot Coal"@en . "Coal."@en . . "319.0"^^ .