TY  - RPRT
TI  - An assessment of uranium in groundwater in the Grand Canyon region
AU  - Fred D. Tillman
AU  - Kimberly R. Beisner
AU  - Jessica R. Anderson
AU  - Joel A. Unema
PY  - 2021
DO  - 10.1038/s41598-021-01621-8
UR  - https://pubs.usgs.gov/publication/70227429
ID  - 70227429
ER  -