| Agrichemicals in ground water of the midwestern USA; relations to soil characteristics |
Burkart, M.R.; Kolpin, D.W.; Jaquis, R.J.; and Cole, K.J. |
Journal of Environmental Quality vol. 28, no. 6, pp. 1908-1915 |
1999 |
N/A
|
| Application of a geographic information system in analyzing the occurrence of atrazine in groundwater of the midcontinental United States, pp. 601-610, <In>, Kovar, K.; and Nachtnebel, H.P., (eds.); Application of geographic systems in hydrology and water resources management |
Burkart, M.R.; and Kolpin, D.W. |
International Association of Hydrological Sciences, IAHS-AISH Publication no. 211, 653 pages |
1993 |
N/A
|
| Herbicides and nitrate in near-surface aquifers in the midcontinental United States, 1991 |
Kolpin, D.W.; Burkart, M.R.; and Thurman, E.M. |
U.S. Geological Survey, Water Supply and Irrigation Paper no. 2413, 34 pages |
1994 |
N/A
|
| Hydrogeologic, water-quality, and land-use data for the reconnaissance of herbicides and nitrate in near-surface aquifers of the midcontinental United States, 1991 |
Kolpin, D.W.; Burkart, M.R.; and Thurman, E.M. |
U.S. Geological Survey, Open-file Report no. 93-0114, 61 pages |
1993 |
N/A
|
| Planned studies of herbicides in ground and surface water in the midcontinental United States, pp. 445-452, <In>, Mallard, G.E., (ed.); U.S. Geological Survey toxic substances hydrology program; proceedings of the technical meeting |
Burkart, M.R.; Ragone, S.E.; Thurman, E.M.; and Perry, C.A. |
U.S. Geological Survey, Water Resources Investigations no. 88-4220, 651 pages |
1989 |
N/A
|
| Work plan for regional reconnaissance for selected herbicides and nitrate in ground water of the mid-continental United States, 1991 |
Kolpin, D.W.; and Burkart, M.R. |
U.S. Geological Survey, Open-file Report no. 91-0059, 18 pages |
1991 |
N/A
|