Sewage treatment & disposal for farm homes
By: [by] M. J. LaRock, S. A. Witzel and L. F. Warrick ...
Series: Extension service of the College of agriculture, University of Wisconsin Madison. Circular 309. June, 1940; Circular (University of Wisconsin. Extension Service) -- 309. June, 1940.
Published: 1940
Language: eng
Number of pages: 15
Notes: Caption title.