Biodiversity Heritage Library
Subject "Aquatic pests"
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
The Ballast Water Control Act : hearing before the Subcommittee on Merchant Marine, Fisheries Management, and Coast Guard and Navigation of the Committee on Merchant Marine and Fisheries, House of Representatives, One Hundred Third Congress, first session, on H.R. 3360 ... October 27, 1993.
By: United States.
Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
Contributed by: Boston Public Library (archive.org)
Subjects: Aquatic pests Discharge of ballast water Environmental aspects Law and legislation Management Marine pollution United States