Clue: Flammable gas represented in 18-Across and 9-Down
We have 1 answer for the clue Flammable gas represented in 18-Across and 9-Down. See the results below.
Possible Answers:
Related Clues:
- CH4
 - Marsh gas constituent
 - Natural gas constituent
 - Dangerous buildup in a mine
 - Marsh gas
 - Marsh gas, mostly
 - A greenhouse gas
 - Swamp gas, essentially
 - Coal mine product
 - Type of gas
 
Last Seen In:
- New York Times - September 18, 2018
 
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