Fundamental factors in treatment of iron bearing waters /

"Progress report for the period February 1, 1959 to December 15, 1960 for the National Institutes of Health U. S. Public Health Service Research Project RG-6436."

Effect of phosphates on water treatment : phosphates in Illinois surface waters /

"Final report for the period June 15, 1955 to September 15, 1957 for American Association of Soap and Glycerine Producers."

Biological treatment of petrochemical wastes /

Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.

Fate of synthetic detergents in soil and ground water /

"November, 1965."

Removal of free-living nematodes by rapid sand filters /

Vita.

Report of Superintendent of Public Instruction

Mode of access: Internet.

Extension training around the world; handbook. In cooperation with Agency for International Development, U. S. Dept. of State.

Cover title.

Experimentation in the adaptation of the overhead projector utilizing 200 transparencies and 800 overlays in teaching engineering descriptive geometry curricula, June 1, 1959 to August 31, 1960. Final report, grant no. 741023.09, U. S. Office of Education, Dept. of Health, Education, and Welfare.

"Corrected graph iv" leaf inserted.

Supplemental report on Rio Grande and Weminuche Pass divisions, San Luis Valley Project, Rio Grande Basin, Colorado. Report by the Dept. of the Interior.

"Supplements the Bureau of Reclamation report which was printed as H. D. 693, 76th Congress, 3rd session, under the title of: Reservoirs on the San Luis Valley Project in Colorado [1940]"

Handbook of hearing aid measurement, 1983 /

"IB ; 11-75"--p. 4 of cover.

[Documents bearing on the suit brought by the Commonwealth of Massachusetts in the Supreme Court of the U.S. to test the constitutionality of the Sheppard-Towner Act involving the principle of federal aid legislation.]

Mode of access: Internet.

References on city and regional planning. Selected with the assistance of the Dept. of City and Regional Planning, M.I.T.

Mode of access: Internet.

Effects of waste water disposal, Fruitvale Oil Field, Kern County: cooperative water quality investigation, conducted by U.S. Dept. of the Interior, Geological Survey and the Dept. of Water Resources.

At head of title: State of California, the Resources Agency of California, Dept. of Water Resources.

The History of McLean County, Illinois; portraits of early settlers and prominent men,

Mode of access: Internet.

Directory of public employee organizations in New York State.

Mode of access: Internet.