Crossword Puzzle Clue Answers
We've seen 1 answer for the crossword clue 'Petroleum source' in our database. It has been used in 8 crosswords, the latest of which was the Netword crossword on May 22, 2016.
Crossword answers for the clue "Petroleum source"
- SHALE
Related Clues
- Kind of oil
- Oil source
- Synfuel source
- Rock that may hold fossils
- Mudstone
- Brick ingredient
- Fossil medium
- Shelf material
- Fossil-yielding rock
- Fossil source
- Slate, originally
- Oil-yielding rock
- Fissile rock
- Sedimentary rock
- Thin-layered rock
- Source of oil
- Source of kerosene
- Oil-bearing rock
- River-delta material
- Fuel-yielding rock
Last Seen In
- Netword - May 22, 2016
- Netword - January 26, 2014
- Pat Sajack's Code Letter - July 28, 2011
- Netword - October 15, 2009
- USA Today - March 25, 2009
- LA Times - August 27, 2006
- Washington Post - July 05, 2004
- New York Times - March 09, 2003