Public domain
History of civic services in the city of New York Water supply No. 4 : An average of 930,000,000 gallons is consumed daily.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineHistory of civic services in the city of New York Water supply No. 4 : An average of 930,000,000 gallons is consumed daily.. 1936-01-01. Bock, Vera. WPA Poster Collection, Library of Congress. Public domain.