U.S. has the world's largest reserves of this

Let's find possible answers to "U.S. has the world's largest reserves of this" crossword clue. First of all, we will look for a few extra hints for this entry: U.S. has the world's largest reserves of this. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.