We have found the following solution matching the query "Grand ___ natural wonder carved by the Colorado River about 5 to 6 million years ago" in our database. This crossword clue was last seen on the popular pack Daily Themed Crossword Earth and Us Level 12 Answers . The answer we've got has a total of 6 letters. If something is wrong or missing kindly let us know and we will be more than happy to help you out with the correct answer.
HINTS AND TIPS:
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POSSIBLE ANSWER: