A study of the pollution and natural purification of the Illinois river ...
By: Prepared by direction of the surgeon general.
Contributors: Hoskins, J. K. 1884-; Ruchhoft, C. C. 1896-; Williams, L. G. 1894-; Purdy, W. C.
Series: Public health bulletin, no. 171, 198.
Publisher: U.S. Govt. print. off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 208
Subjects: Water -- Pollution.; Water -- Purification.; Illinois River (Ill.)
Notes: At head of title, I: Treasury department. United States Public health service...--II. U.S. Treasury department. Public health service...
Table of contents: title: I. Surveys and laboratory studies, by J. K. Hoskins, C. C. Ruchhoft and L. G. Williams.  1927.; title: II. The plankton and related organisms, by W. C. Purdy. 1930.