External quality-assurance results for the National Atmospheric Deposition Program/National Trends Network during 1989 /

Bibliographic Details
Main Author:	Willoughby, Timothy C. (Author)
Format:	Government Document eBook
Language:	English
Published:	Denver, Colorado : U.S. Geological Survey, 1991.
Series:	Water-resources investigations report ; 91-4039.
Subjects:	National Atmospheric Deposition Program and National Trends Network (U.S.) > Quality control. Acid deposition > United States. National Atmospheric Deposition Program and National Trends Network (U.S.) Acid deposition. United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo151702

Description
Physical Description:	1 online resource (iv, 26 pages) : illustrations, map.
Bibliography:	Includes bibliographical references (page 26).