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Aquatic pests on irrigation systems : identification guide / by N. E. Otto, T. R. Bartley and J. S. Thullen ; illustrated by D. W. Cunningham and J. M. Evans.
By: Otto, N. E. - Bartley, T. R. - Cunningham, D. W. - Evans, J. M. - Thullen, J. S.
Edition: 2nd ed.
Publication info: Denver :For sale by the Supt. of Docs., U.S. G.P.O. ;1980.
Contributed by: U.S. Government Printing Office (archive.org)
Subjects: Aquatic pests Irrigation water
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Central Valley Project Improvement Act : hearing before the Subcommittee on Water and Power Resources of the Committee on Resources, House of Representatives, One Hundred Fourth Congress, first session, on H.R. 1906, a bill to amend the Cent
By: United States.
Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1995.
Contributed by: Boston Public Library (archive.org)
Subjects: California Central Valley (Valley) Central Valley Project (Calif.) Conservation Economic aspects Fish habitat improvement Fishes Irrigation water Law and legislation Water resources development Water-supply
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Notizie naturali e chimico-agronomiche sulla provincia di Pavia.
By: Cavagna Sangiuliani di Gualdana, Antonio,
Publication info: Pavia :Tipografia in ditta eredi Bizzoni,1864.
Contributed by: University of Illinois Urbana Champaign
Subjects: Animals Composition Irrigation water Italy Minerals Natural history Pavia Quality Water
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