. . . . "1196"^^ . . . "1096248937"^^ . "43266621"^^ . . . . "Robertson Formation"@en . . . "Robertson Formation"@en . . "The Robertson Formation is a geologic formation in Oregon. It preserves fossils dating back to the Jurassic period."@en . . . . "The Robertson Formation is a geologic formation in Oregon. It preserves fossils dating back to the Jurassic period."@en . . . . . . . . . . . . . .