| Online link | https://mrdata.usgs.gov/rass/sediment/ |
|---|---|
| Description | Geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected by USGS personnel and analyzed by USGS. These data were part of the Rock Analysis Storage System and are now merged into the National Geochemistry Database. |
| Metadata | Questions and answers |
| Format | Content | Download package |
|---|---|---|
| Shapefile | Geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected by USGS personnel and analyzed by USGS. These data were part of the Rock Analysis Storage System and are now merged into the National Geochemistry Database. | https://mrdata.usgs.gov/rass/sediment/rasssed.zip |