TY  - RPRT
TI  - Baseline models of trace elements in major aquifers of the United States
AU  - L. Lee
AU  - D. Helsel
PY  - 2005
DO  - 10.1016/j.apgeochem.2005.03.008
UR  - https://pubs.usgs.gov/publication/70029664
ID  - 70029664
ER  -