If you have landed here then chances are you are looking for the: The Washburn-Langford-Doane expedition happened upon it in 1870 & named it for the regularity of its activity answer and solution. This clue was last seen on Final Jeopardy October 18 2023 TV-Show. The answer we have for today’s jeopardy question has a total of 12 Letters. For older Final Jeopardy Questions and Answers I strongly recommend you to visit the archive page by clicking here.

The Washburn-Langford-Doane expedition happened upon it in 1870 & named it for the regularity of its activity