Movement of agricultural chemicals between surface water and ground water, lower Cedar River Basin, Iowa /
Squillace, Paul J.
U.S. Geological Survey Toxic Substances Hydrology Program.
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U. S. Geological Survey, Information Services,
1996.
"Prepared as part of the Toxic Substances Hydrology Program."
Includes bibliographical references (p. 56-59).
Agricultural chemicals
Water