Enter a clue or pattern or both:
The Clue
Prime ore source (10 letter answer)
The Answer
MOTHERLODE
Tags
Notes
The answer MOTHERLODE is rarely seen, appearing only about once every 1800 puzzles.
Related Clues
Bonanza
Jackpot
Main vein
Prospector's dream
Rich vein of ore
In the ___, there's the greatest concentration of ___