Lowell Observatory, 1898 On: December 29, 2019December 5, 2019 By: Romeyn 0 (0) Newspaper sketch of the Lowell Observatory at Flagstaff Arizona. It was from here that Percival Lowell mapped out the canals of Mars. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. Share this:XFacebookTumblrRedditEmailPrint