@misc{indiciaebc0b65f9c958, title = {Environmental tracers of groundwater source, age, and geochemical evolution}, author = {John G. Warden and John A. Izbicki and Jurgen Sultenfuss and Kathleen Scheiderich and John Fitzpatrick}, year = {2023}, doi = {10.3133/pp1885f}, url = {https://pubs.usgs.gov/publication/pp1885F}, note = {Source identifier: pp1885F} }