31457369ferruginous sandstonePT2026-03-30 21:03:06UF31457370ironstoneNDUF31457371red sandstoneNDUF31457372redstoneNDUF31457373sandstone, ferruginousNDUF31457374sandstone, redNDBT31438534sandstone by composition or appearancePTNT31376714Arizona flagstonePTNT31471302brownstonePTNT31471303carstonePT