User's manual for QWGRAF, computer programs for water-quality graphics /

Bibliographic Details
Main Author:	Schornick, James C.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Place, Michael C.
Format:	Government Document Book
Language:	English
Published:	Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; 1998.
Series:	Water-resources investigations report ; 97-4226.
Subjects:	Water quality > Computer programs > Handbooks, manuals, etc. Water quality > Data processing > Handbooks, manuals, etc.

Evans: US Documents (Annex 5th floor)