"stable"@en . "Limestone. Stratified bedrock. Occurs onshore. Deposited during the Eocene Epoch (Palaeogene Period) (56-33.9 Ma BP)."@en . . "Limestone."@en . "56.0"^^ . . . "33.9"^^ . . "CRBL"@en . "Creech Barrow Limestone Member"@en . "Creech Barrow Limestone Member"@en . . . .