Data on public water supplies
By: Division of Sanitary Engineering
Contributors: Illinois. Department of Public Health
Series: Circular -- no. 136; Circular (Illinois. Department of Public Health) -- no. 136
Publisher: State of Illinois, Dept. of Public Health
Published: 1948
Place of publication: Springfield]
Language: eng
Number of pages: 18
Subjects: Water-supply; Statistics; Eau; Approvisionnement; Statistiques
Notes: "January 1, 1948."