Chicago : Engineering and Contracting Pub. Co. · leaf 423
adison sewage disposal worksindicate that the sludge contains 50 per centmore fertilizing value than average stablemanure. The tests were made by Prof. Woll,of the department of feeds and fertilizers in-spection at the University of Wisconsin, fol-lowing the suggestion of James Mackin,… … ) Underdrain Y Absorption pipe Fig. 4—Section and Plan Showing Sub-Soil Absorption System and Under Drains for Removing the Ground Water. )tilc borne in prflctii al differences w hidmind. In tin- first place the sewage from individual bouses is extremely fresh and there is no op-portunity lor the…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
