User's manual for QWGRAF, computer programs for water-quality graphics
By: by James C. Schornick and Michael C. Place.
Contributors: Place, Michael C.; Geological Survey (U.S.)
Series: Water-resources investigations report -- 97-4226.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; U.S. Geological Survey, Branch of Information Services [distributor]
Published: 1998
Place of publication: Reston, Va; Denver, CO
Language: eng
Number of pages: 265
Subjects: Water quality -- Computer programs -- Handbooks, manuals, etc.; Water quality -- Data processing -- Handbooks, manuals, etc.
Notes: Shipping list no.: 98-0251-P.

Includes bibliographical references (p. 212).