Discharge, nitrate load, and residence time of ground water in the Chesapeake Bay watershed
By: by Scott W. Phillips, Michael J. Focazio, and L. Joseph Bachman
Contributors: Focazio, Michael J; Bachman, L. Joseph; Geological Survey (U.S.)
Series: USGS fact sheet -- FS-150-99; Fact sheet (Geological Survey (U.S.)) -- FS-99-150
Publisher: U.S. Department of the Interior, U.S. Geological Survey
Published: 1999
Place of publication: [Baltimore, Md.]
Language: eng
Subjects: Groundwater -- Chesapeake Bay Watershed (Md. and Va.); Chesapeake Bay Watershed
Other titles: USGS, science for a changing world
Notes: Caption title

Shipping list no.: 2000-0280-P

Includes bibliographical references (p. [6])