Related Clues:

• It can be crude
• "There Will Be Blood" subject
• Crude liquid
• Titusville discovery
• 2010 Gulf problem
• Castor bean product
• Peanut or sesame, e.g.
• Canadian export
• Salad bar bowlful
• It may be made from olives or corn
• ___ spill
• Sunflower product
• Salad-dressing base
• Exxon Valdez cargo
• Dressing base