External quality-assurance results for the National Atmospheric Deposition Program and the National Trends Network during 1987
By: by Randolph B. See, LeRoy J. Schroder, and Timothy C. Willoughby.
Contributors: Schroder, L. J.; Willoughby, Timothy C.; Geological Survey (U.S.)
Series: Water-resources investigations report -- 89-4015
Publisher: Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section [distributor]
Published: 1989
Place of publication: Denver, Colo
Language: eng
Number of pages: 16
Subjects: National Atmospheric Deposition Program and National Trends Network (U.S.); Acid deposition -- United States -- Testing.
Other titles: External quality assurance results for the National Atmospheric Deposition Program and the National Trends Network during 1987.
Notes: Shipping list no.: 89-286-P.

Bibliography: p. 15-16.