Nitrate in streams in the Great Valley carbonate subunit of the Potomac River Basin.

Bibliographic Details
Main Author:	Denis, Janet M.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Blomquist, Joel D.
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : U.S. Geological Survey ; [1995]
Series:	NAWQA fact sheet ; FS-95-161.
Subjects:	Potomac River Watershed > Environmental conditions. Water > Pollution > Potomac River Watershed. Nitrates > Environmental aspects > Potomac River Watershed. Agricultural pollution > Potomac River Watershed.

Description
Item Description:	Caption title. Shipping list.: number 96-0169-P.
Physical Description:	4 unnumbered pages : color illustrations, maps (some color) ; 28 cm.
Bibliography:	Includes bibliographical references (page [4]).