Geochemistry of soils from the RASS database

Geochemical data for soils 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.

• Database documentation (metadata)
• About the database fields
  • All database fields, by category
  • Database field categories
  • Alphabetical listing of database fields
• Select data by geographic area
• Download the entire dataset (1.6 Mb zipped shapefile expands to 14.2 Mb)