East of Hecataeus is a chain of tiny craterlets forming a line radial to Humboldt; these are designated the Catena Humboldt, named after the walled plain.
East of Hecataeus is a chain of tiny craterlets. These tiny craterlets are forming a line radial to Humboldt. These are designated the Catena Humboldt. The Catena Humboldt is named after the walled plain.