"stable"@en . . "23.04"^^ . "BROS"@en . . "Broadstone Sand Member And Oakdale Sand Member (Undifferentiated)"@en . . "Sand."@en . "66.0"^^ . "Sand. Bedrock. Occurs onshore. Formed during the Paleogene Period (66-23.04 Ma BP)."@en . . "Broadstone Sand Member And Oakdale Sand Member (Undifferentiated)"@en . . . .