A report to the Chicago Real Estate Board on the disposal of the sewage and protection of the water supply of Chicago, Illinois / by Messrs. George A. Soper, John D. Watson, Arthur J. Martin.

Licence: In copyright

Credit: A report to the Chicago Real Estate Board on the disposal of the sewage and protection of the water supply of Chicago, Illinois / by Messrs. George A. Soper, John D. Watson, Arthur J. Martin. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.