Related Clues:

• Natural fuel
• Bed material
• Marsh material
• Old furnace fuel
• Frosty's eye
• __ moss (gardener's buy)
• Anthracite, e.g.
• Fuel that's shoveled
• Type of fuel
• A kind of moss
• Lignite or anthracite
• Fuel from plants
• Marshy matter
• Snowman's eyes
• It's found in seams