Cover image for Concepts for a national water-quality assessment program
Concepts for a national water-quality assessment program
Title:
Concepts for a national water-quality assessment program
Author:
Hirsch, Robert M.
Personal Author:
Publication Information:
Washington, DC : United States Gov. Print. Off., 1988.
Physical Description:
vii, 42 pages : illustrations ; 28 cm.
Language:
English
Format :
Book