Cholera map. Southwark/Vauxhall & Lambeth Water Cos. by Dr John Snow 1855 (1965)[Dr John Snow's map of South London showing the areas served by the Southwark and Vauxhall Water Company, and by the Lambeth Water Company, to illustrate the cause of the differing incidence of Cholera in each area] Dr. John Snows map of the South London water companies, originally published in 1855, illustrates the areas served by the Southwark & Vauxhall Water Company and the Lambeth Water Company during the 185354 cholera outbreak. Snow's map is a