Plan of study to determine if the isotopic ratios [delta] p15sN and [delta] p18sO can reveal the sources of nitrate discharged by the Mississippi River into the Gulf of Mexico
By: by William A. Battaglin ... [et al.]
Contributors: Battaglin, William A; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 97-230
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Branch of Information Services [distributor]
Published: 1997
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 18
Subjects: Water -- Pollution -- Mississippi River; Water -- Nitrogen content -- Mississippi River
Notes: Shipping list no.: 99-0270-M

Includes bibliographical references (p. 16-18)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1999] 1 microfiche : negative