Studies of the efficiency of water purification processes ...
By: By Sanitary Engineer H.W. Streeter, United States Public health service. Prepared by direction of the surgeon general.
Series: U.S. Public Health Service. Public health bulletin,; no. 172, 193; Public health bulletin,; no. 172, 193.
Publisher: U.S. Govt. Print. Off.
Published: 1927
Place of publication: Washington
Language: eng
Subjects: Water -- Purification.
Notes: At head of title, I-III: Treasury Department. United States Public health service ... --IV. United States Treasury Department. Public Health Service ...