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Upper Mississippi Basin Loading Database (Sediment and Nutrients): Update
The Upper Midwest Environmental Sciences Center (UMESC) provides this updated database on sediments and nutrients of the Upper Mississippi River Basin. Included in the database are maps (Shape) showing the locations of monitoring stations; figures displaying rates of Nitrogen/ Phosphorus loadings and yields; and sediment and nutrient data by sub-area (ascii, .xls, Lotus). In addition, background... |
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https://www.umesc.usgs.gov/data_library/sediment_nutrients/s... |
Geochemical Data for Environmental Studies of Mineral Deposits at Nabesna, Kennecott, Orange Hill, Bond Creek, Bremner, and Gold Hill, Wrangell-St. Elias National Park and Preserve, Alaska
From the US Geological Survey comes this open file report (#99-342) on environmental geochemical investigations carried out between 1994 and 1997 in Wrangell-St. Elias National Park and Preserve (WRST), Alaska. The purpose of the study was to "determine the extent of possible environmental hazards associated with these mineralized areas and to establish background and baseline levels for selected... |
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https://pubs.usgs.gov/of/1999/ofr-99-0342/ |
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