Derrick has spent decades photographing waterfalls all around the world. Determine the height of each waterfall and the year Derrick photographed it, as well as the country in which each is located.
Remember, as with all grid-based logic puzzles, no option in any category will ever be used more than once. If you get stuck or run into problems, try the "Clear Errors" button to remove any mistakes that might be present on the grid, or the "Hint" button to see the next logical step in the puzzle.