DePauw University in Greencastle, Indiana, alumni ...[crater] The outer rim of this crater is heavily worn and eroded by subsequent meteor bombardment, particularly along the southern half, with several small and tiny craterlets lying along the rim. The interior floor, in contrast, is relatively level and unmarked by notable impacts. There is a small, angled central peak near the midpoint of ...
Beijerinck: See: Beijerinck, Martinus W.