The treatment of sewage from single houses and small communities
By: by Earle B. Phelps, professor of chemistry, Hygienic laboratory United States Public health service.
Contributors: United States. Public Health Service.
Publisher: Govt. print. off.
Published: 1919
Place of publication: Washington
Language: eng
Subjects: Sewage disposal.
Notes: Plate printed on both sides.
Reprint no. 504 from the Public health reports, v. 34, no. 7, February 14, 1919 (p. 271-276)