Complex sentence: D. B. Whitlow and Joseph Coody established the first store on the west side of the railroad, and the Graysons and G. E. Seales started a store on the east side about the same time.
Split into simpler sentences: D. B. Whitlow and Joseph Coody established the first store on the west side of the railroad. The Graysons and G. E. Seales started a store on the east side about the same time.