Major ions, nutrients, and trace elements in the Mississippi River near Thebes, Illinois, July through September 1993 by Howard E. Taylor ... [et al.]. - Washington, D.C. U.S. G.P.O. 1993. - v, 21 p. ill. - U.S. Geological Survey circular 1120-D Floods in the Upper Mississippi River basin, 1993 ch. D .

Includes bibliographical references (p. 7-8)

94013513


Water quality--Illinois--Thebes Region.
Water quality--Mississippi River Valley.

TD224.I3 / M35 1994

551.48/3/09773999

I 19.4/3:1120-D