Complex sentence: Chon dropped out of the University of Michigan after two years (1925--1927) and went to Las Vegas, New Mexico, where he worked on the local paper, the "Optic".
Split into simpler sentences: Chon dropped out of the University of Michigan after two years (1925--1927) and began working. He traveled to Las Vegas, New Mexico where he worked at the local newspaper, the "Optic".