Complex sentence: Mr. Pratt purchased Chatham from the Devores in 1931 for $150,000 cash and upon his death in 1975, he willed additional land for parks to Stafford County and Fredericksburg as well as a large section to the region's YMCA.
Split into simpler sentences: Mr. Pratt purchased Chatham from the Devores in 1931 for $150,000 cash. Upon Pratt's death in 1975, he willed additional land for parks to Stafford County and Fredericksburg as well as a large section to the region's YMCA.