Related Clues:

• Quaker State, e.g.
• Gusher's gush
• Olive __
• It can follow the first word of 17-, 26-, 37-, 50- and 60-Across
• Kuwait export
• Alberta Gold
• Driller's quest, often
• Holy __
• The Mona Lisa, e.g.
• Contents of some cans
• Substance in salad dressing
• Drum filler
• Baby __
• Vinaigrette essential
• Aromatherapy liquid