. . . "1398"^^ . . . . . . "Milldale Limestone"@en . . . . . . "Milldale Limestone"@en . . . . . "Carboniferous"@en . . "1096234264"^^ . . . . . "The Milldale Limestone is a geologic formation in England. It preserves fossils dating back to the Carboniferous period."@en . . . . . . . . . "43375253"^^ . . . "The Milldale Limestone is a geologic formation in England. It preserves fossils dating back to the Carboniferous period."@en . . . . .