Complex sentence: Fish, Fish, and Madsen Rockpile cultivation began about 600 AD and large fields of cultivated Hohokam agave characterized the classic period of Hohokam culture from 1150 to 1450.
Split into simpler sentences: Fish, Fish, and Madsen Rockpile cultivation began about 600 AD. Large-scale prodution characterized the classic period of Hohokam culture from 1150 to 1450.