Selected papers on agricultural chemicals in water resources of the Midcontinental United States
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Geology topics
G. E. Mallard
Publications and source records attributed to G. E. Mallard.
Availability and historical development of ground-water resources of Long Island, New York — An introduction
No abstract available.
New York↗
U.S. Geological Survey toxic substances hydrology program, surface-water contamination; proceedings of the technical meeting, Denver, Colorado, February 2-4, 1987
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