Title: Sixteenth census of the United States: 1940. Land in drainage enterprises, capital invested and drainage works. Statistics for counties with state and United States summaries and a synopsis of drainage laws.
Authors: Pettet, Zellmer R. 1880-1962.; United States.
Publisher: U.S.Govt.Print.Off.,
Year: 1942
Subjects: Drainage United States.; United States Census, 1940.