Pesticides in soils and ground water in selected irrigated agricultural areas near Havre, Ronan, and Huntley, Montana /
by David W. Clark ; prepared in cooperation with the Montana Bureau of Mines and Geology.

APA Citation

Clark, D. W. (David Wayne)., Montana Bureau of Mines and Geology., Geological Survey (U.S.). (1990). Pesticides in soils and ground water in selected irrigated agricultural areas near Havre, Ronan, and Huntley, Montana. Helena, Mont.: Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Clark, David W. (David Wayne), 1951-, Montana Bureau of Mines and Geology, and Geological Survey (U.S.). Pesticides In Soils And Ground Water In Selected Irrigated Agricultural Areas Near Havre, Ronan, And Huntley, Montana. Helena, Mont.: Dept. of the Interior, U.S. Geological Survey , 1990.