Robuta

https://www.usgs.gov/publications/analytical-results-species-and-related-elements-interstitial-porewater-and-sediment
Union Lake, the Maurice River, and the Blackwater Branch , a tributary of the Maurice River, all parts of a small watershed near Vineland, New Jersey, are...
analyticalresultsspeciesrelatedelements
https://www.osti.gov/dataexplorer/biblio/dataset/1415746
The U.S. Department of Energy's Office of Scientific and Technical Information
spruceporewaterchemistrydataexperimental