Waterfalls that were important to 15 across, 20 down

Let's find possible answers to "Waterfalls that were important to 15 across, 20 down" crossword clue. First of all, we will look for a few extra hints for this entry: Waterfalls that were important to 15 across, 20 down. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.