Aquatic pests on irrigation systems
Subtitle: identification guide
By: by N. E. Otto, T. R. Bartley and J. S. Thullen ; Illustrated by D. W. Cunningham and J. M. Evans.
Contributors: Bartley, T. R. joint author.; Thullen, J. S., joint author.
Edition: 2d ed. / Additions and revisions by J.S. Thullen ; edited by M.J. Cochran.
Series: A water resources technical publication
Publisher: U.S. Dept. of the Interior, Water and Power Resources Service; For sale by the Supt. of Docs., U.S. Govt. Print. Office
Place of publication: Denver; Washington, D.C
Number of pages: 90
Subjects: Aquatic pests.
Notes: Bibliography: p. 89-90.