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Federal
Export and Leaching of Carbon and Nitrogen from Mississippi River Basin, 1901-2099 recent views
National Aeronautics and Space Administration —
This dataset provides estimates for export and leaching of dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), total organic carbon (TOC), particulate... -
Federal
Geoecology: County-Level Environmental Data for the United States, 1941-1981 recent views
National Aeronautics and Space Administration —
The Geoecology database is a compilation of environmental data for the period 1941 to 1981. The Geoecology database contains selected data on terrain and soils, water...