31442297watercoursesPT2026-03-30 20:59:11UF31442298watercourseNDBT31418818riverine bodies of waterPTBT31416894artificial water channelsPTNT31418798intermittent watercoursesPTNT31459925sections of watercoursesPTNT31459928tidal watercoursesPTNT31383121abandoned watercoursesPTNT31383125lost watercoursesPTRT31443824streamsPTRT31443841waterwaysPT