Complex sentence: Within his land, Law later established a large dairy farm of purebred Jersey cattle, as well as the Briarcliff Table Water Company and the Briarcliff Greenhouses.
Split into simpler sentences: Within his land, Law later established Briarcliff Farms, a large dairy farm of purebred Jersey cattle. Around the same time, he also established the Briarcliff Table Water Company and the Briarcliff Greenhouses.