Chimney: Flare stack
Chimney: Industrial
Chimney: Burner
Crane: Stationary
Gas and oil facilities: Generic/unknown
Oil or gas field: Generic/unknown
Tank: Horizontal, unknown
Tank: Vertical, other
Tank: Vertical, water
Tank: Vertical, unknown
Well: Petroleum
Well: Water
Wind-operated device: Generic/unknown
Liquids depot/dump: Liquid waste, sewage disposal pond
Liquids depot/dump: Liquid waste, unknown
Liquids depot/dump: Water, other
Liquids depot/dump: Drinking water, other
Mining area: Generic/unknown
Mining area: Mine, open pit, operational
Mining area: Mine, unknown, abandoned
Mining area: Mine, underground, operational