Related Clues:
- Wildcatter's strike
- Nitrogen, e.g.
- Fuel for some ranges
- Service-station buy
- What you might get with a bean burrito
- "There Will Be Blood" focus
- Convenience store buy
- Refinery flow
- Empty words
- Driving demand
- Biggest export of 99-Down
- The Da Vinci coat?
- Kind of slick
- Canadian resource
- Source of Rockefeller's wealth