Nitrate concentrations in ground water of the central Columbia Plateau
By: Sarah J. Ryker and Joseph L. Jones ; U.S. Department of the Interior, U.S. Geological Survey.
Contributors: Jones, Joseph L.; Geological Survey (U.S.); National Water-Quality Assessment Program (U.S.)
Series: Open-file report -- 95-445.; U.S. Geological Survey open-file report -- 95-445.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1995
Place of publication: Tacoma, Wash
Language: eng
Subjects: Groundwater -- Pollution -- Columbia Plateau; Nitrates; Water -- Nitrogen content
Notes: "October 1995"--P. [4].

"National Water-Quality Assessment Program"--Colophon.

"Based on Water-resources investigation report 94-4258"--P. [4].

Includes bibliographical references (p. [4]).