TY  - RPRT
TI  - Naturally occurring contaminants in the Piedmont and Blue Ridge crystalline-rock aquifers and Piedmont Early Mesozoic basin siliciclastic-rock aquifers, eastern United States, 1994–2008
AU  - Melinda J. Chapman
AU  - Charles A. Cravotta
AU  - Zoltan Szabo
AU  - Bruce D. Lindsay
PY  - 2013
DO  - 10.3133/sir20135072
UR  - https://pubs.usgs.gov/publication/sir20135072
ID  - sir20135072
ER  -