TY  - RPRT
TI  - Groundwater quality in the Piedmont and Blue Ridge crystalline-rock aquifers, eastern United States
AU  - Bruce D. Lindsey
PY  - 2017
DO  - 10.3133/fs20173040
UR  - https://pubs.usgs.gov/publication/fs20173040
ID  - fs20173040
ER  -