TY  - RPRT
TI  - Ground water quality sub-indicator report
AU  - Helen Zhang
AU  - Melinda L. Erickson
AU  - Dale VanStempvoort
AU  - George Zhang
AU  - John Spoelstra
PY  - 2022
UR  - https://pubs.usgs.gov/publication/70235874
ID  - 70235874
ER  -