Lowell's ejecta blanket and associated secondary craters are dissected by channels.

[2] Nearby features include the craters Slipher to the north, Douglass to the east, and Coblentz to the southwest, the small mountain Aonia Mons to the west, and Aonia Planum to the southeast.

He used the observatory and his large refractor telescope to discover what he believed were over 500 canals on Mars.

Lowell promoted the idea that they were constructed by an intelligent race of Martians.

However, when pictures were received from spacecraft, the canals were found to be optical illusions.