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Environmental protection
Chanlett, Emil Theodore, (1973)
A special report on the pollution of river waters
Kirkwood, James Pugh, (1970)
Municipal and rural Sanitation
Ehlers, Victor M., (1943)
Labor and material requirements for sewer works construction
Murray, Roland V., (1966)
Labor requirements for army civil works
Murray, Roland V., (1964)
Labor requirements for federal office building construction
Murray, Roland V., (1962)