Online link | https://mrdata.usgs.gov/ngdb/sediment/ |
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Description | Geochemical analysis of sediment samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are of stream sediment in the continental US and Alaska. |
Originators | U.S. Geological Survey |
Metadata | Questions and answers |
Format | Content | Service URL |
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WMS | Geochemical sample locations with analytical results | https://mrdata.usgs.gov/services/ngdbsed?request=GetCapabilities&service=WMS&version=1.3.0 |
Format | Content | Download package |
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Shapefile | Simple shapefile with a URL to the full report of each location, and all attributes included as CSV files | https://mrdata.usgs.gov/ngdb/sediment/ngdbsed-csv.zip |
CSV | Simple shapefile with a URL to the full report of each location, and all attributes included as CSV files | https://mrdata.usgs.gov/ngdb/sediment/ngdbsed-csv.zip |