 When they began to disagree over the future of Hammonton, Landis decided to sell his share of their real estate business to Byrnes and moved on to develop the town that would eventually become known as Vineland.He purchased of land in 1861, near Millville, New Jersey, and along an existing railroad line with service to Philadelphia.The first houses were built in 1862, and train service was established to Philadelphia and New York City, with the population reaching 5,500 by 1865.