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Subject
- Oil wells.[remove]7
- Oil fields.3
- Oil field flooding.2
- Oil industries.2
- Aeronautics.1
- Airplanes--Takeoff.1
- Airports.1
- Ancient Arabic Order of the Nobles of the Mystic Shrine for North America.1
- Automobiles.1
- Canyons.1
- Dwellings.1
- Explosions.1
- Fountains.1
- Gardens.1
- Gas wells--Blowouts.1
- Gas wells--California.1
- Gushers.1
- Oil industry workers.1
- Oil wells--Abandonment1
- Petroleum industry and trade.1