Individual: RuralLowElevation
- "station_omi_no2_column <= 8 and
station_nightlight_5km <= 25 and
station_population_density <= 3000 and
station_max_population_density_5km <= 30000 and
station_google_alt <= 1500 and
station_etopo_relative_alt < 500"(xsd:string)