Complex sentence: It is 20 miles northeast of Aragon, and 20 miles east of Datil; to the east of Horse Springs is the Continental Divide, as well as the Plains of San Agustin.
Split into simpler sentences: It is 20 miles northeast of Aragon and 20 miles east of Datil. To the east of Horse Springs is the Continental Divide, as well as the Plains of San Agustin.