TY  - RPRT
TI  - Groundwater age estimates for the Mississippi River Valley alluvial aquifer based on tracer data collected during 2018–20
AU  - Michael C. Gratzer
AU  - John E. Solder
AU  - Katherine J. Knierim
AU  - James A. Kingsbury
AU  - Andrew M. O’Reilly
AU  - Gregg R. Davidson
PY  - 2025
DO  - 10.3133/sir20245127
UR  - https://pubs.usgs.gov/publication/sir20245127
ID  - sir20245127
ER  -