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| Bill Richardson with the Upper Midwest Environmental Sciences Center (USGS) gave a platform presentation entitled "Denitrification in the Upper Mississippi River: The role of nitrate delivery and sediment carbon". |
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| Bill Richardson with the Upper Midwest Environmental Sciences Center (USGS) gave a platform presentation entitled "Denitrification in the Upper Mississippi River: The role of nitrate delivery and sediment carbon". |
Last updated on: June 23, 2000
Maintained by: brent_knights@usgs.gov