Drainage channel and waterway; a history of the effort to secure an effective and harmless method for the disposal of the sewage of the city of Chicago, and to create a navigable channel between Lake Michigan and the Missippi River,

Mode of access: Internet.

Colonia Water and Sewage Service Act [microform] : hearing before the Subcommittee on Conservation, Credit, and Rural Development of the Committee on Agriculture, House of Representatives, One Hundredth Congress, second session, on H.R.3524, September 22, 1988.

"Serial no. 100-114."

Managing hazardous waste and sewage sludge [microform] : hearing before the Subcommittee on Transportation, Tourism, and Hazardous Materials of the Committee on Energy and Commerce, House of Representatives, One Hundredth Congress, first session, December 7, 1987.

"Serial no. 100-163."

Self-evaluation instrument -- phosphate fertilizer industry /

Mode of access: Internet.

Radioisotopes in agriculture : animal husbandry, fertilizer uptake, plant physiology, photosynthesis, and entomology : a selected bibliography /

This annotated bibliography contains 148 selected references on the uses of radioactive and stable isotopes in animal husbandry and in studies of fertilizer uptake by plants, plant physiology, photosynthesis, and entomology. These references were selected from scientific journals published during the period 1957-1958. Subject and author indexes and a list of the periodicals from which the references were selected are included.

Radioisotopes in agriculture : analytical procedures, animal husbandry, entomology, fertilizer uptake, general studies, photosynthesis, plant genetics, and plant physiology : a selected bibliography /

"TID-3078(Suppl. 1). Biology and Medicine, TID-4500 (31st edition)."

List of publications pertaining to water supply and purification, sewage and industrial waste treatment, water pollution control, milk and food sanitation, and other selected environmental health subjects.

Cover title.

An introduction to the microbiology of water and sewage for engineering students,

Extra page inserted numbered 211a.

Principles of sewage treatment.

Mode of access: Internet.

Standards for sewage works : Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, New York, Ohio, Pennsylvania, Wisconsin.

"Prepared by the Committee on Development of Uniform Standards for Sewage Works for the Upper Mississippi and Great Lakes Boards of Public Health Engineers".

Sulfur and its importance in food production, conclusions and recommendations of the Special Subcommittee on Fertilizer and Farm Machinery of the Committee on Agriculture, House of Representatives, based on hearings before the subcommittee February 20-23, 1951.

Mode of access: Internet.

Principles of sewage treatment.

Mode of access: Internet.

Study of needs for sewage works; report.

Report no. 2 issued jointly by the Office for Local Government and the Dept. of Health.

Anacostia River sewage treatment works, contract No. 9.

At head of title: P. W. A. Project No. Md. 1185-F. Washington Suburban Sanitary District.

Contract volume for the construction of intercepting sewer and sewage treatment project. Sewage treatment plant. P. W. A. Project no. N. Y. 1034-R. Engineers: Greeley and Hansen.

Cover titles.