TY  - RPRT
TI  - Environmental tracers of groundwater source, age, and geochemical evolution
AU  - John G. Warden
AU  - John A. Izbicki
AU  - Jurgen Sultenfuss
AU  - Kathleen Scheiderich
AU  - John Fitzpatrick
PY  - 2023
DO  - 10.3133/pp1885f
UR  - https://pubs.usgs.gov/publication/pp1885F
ID  - pp1885F
ER  -