Related Clues:

• Frosty's eye
• Anthracite, e.g.
• Fuel that's shoveled
• U.S. ___
• Type of fuel
• Lignite or anthracite
• Common metal
• Snowman's eyes
• It's found in seams
• ''Stainless'' alloy
• Furnace fodder, perhaps
• Furnace fuel, sometimes
• Lignite, for one
• Brat's stocking stuffer?
• Type of magnolias