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Now, let's get into the answer for Underground petroleum source crossword clue most recently seen in the Newsday Crossword.
Underground petroleum source Crossword Clue Answer is…
Answer: OILDEPOSIT
This clue last appeared in the Newsday Crossword on December 4, 2023. You can also find answers to past Newsday Crosswords.
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Clue & Answer Definitions
- PETROLEUM (noun)
- a dark oil consisting mainly of hydrocarbons
- UNDERGROUND (adjective)
- conducted with or marked by hidden aims or methods
- under the level of the ground
- UNDERGROUND (noun)
- an electric railway operating below the surface of the ground (usually in a city)
- a secret group organized to overthrow a government or occupation force
Historical Usage in Crossword Puzzles
About the Newsday Crossword
The Newsday Crossword is a daily crossword puzzle that is published in the Newsday newspaper and on its website. The puzzle is known for its challenging difficulty level and clever clues, and is popular among crossword enthusiasts around the world.

The Newsday Crossword was first introduced in 1995, and has since become a popular source of entertainment and mental stimulation for crossword enthusiasts of all ages. The puzzle is created by a team of experienced crossword constructors, who are known for their skill and creativity in the field of crossword puzzles.
One of the interesting features of the Newsday Crossword is its inclusion of a wide range of topics, from pop culture and current events to science and history. The puzzle is also known for its use of creative themes and wordplay, which can add an extra layer of challenge to the solving experience.
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