Gilliom, R. J.; Barbash, J. E.; Crawford, G. C.; Hamilton, P. A.;Martin, J. D.; Nakagaki, N. Pesticides in the Nation &apos; s Streams and Ground Water, 1992−2001; USGS Circular 1291, Revised Edition, 2007.
Gilliom, R. J.; Barbash, J. E.; Crawford, G. C.; Hamilton, P. A.;Martin, J. D.; Nakagaki, N. Pesticides in the Nation &apos; s Streams and Ground Water, 1992−2001; USGS Circular 1291, Revised Edition, 2007.