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| | Toxics Program Bibliography-Contaminant Transport - Unsaturated Zone (Site not responding. Last check: 2007-10-31) |
 | | Seasonal variation and vertical distribution and movement of herbicides and nitrate in unsaturated and saturated alluvium underlying a cropped field, Iowa County, Iowa, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. |
 | | Mobilization, transport, and fate of hydrocarbon vapors in the unsaturated zone, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. |
 | | Microbial mineralization of atrazine in surface soil and aquifer material during alternating aerobic and anaerobic incubation, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. |
| toxics.usgs.gov /bib/bib-uzone.html (12203 words) |
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