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This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity Summaries 2025.
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 09:49 PM -
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity Summaries 2024.
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Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay. Estimates of atmospheric inorganic...
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This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity Summaries 2023.
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 07:40 PM -
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity Summaries 2022.
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:42 PM -
Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated.
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The data contains CMAQ fortran model code and shell scripts used for configuration in the work of Walters et al. Links are provided to base (unmodified) CMAQ release code (github and doi:...
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