TY  - RPRT
TI  - Stable Carbon Isotopes of HCO3 in the Aquia Aquifer, Maryland: Evidence for an Isotopically Heavy Source of CO2
AU  - Francis H. Chapelle
AU  - LeRoy L. Knobel
PY  - 2006
DO  - 10.1111/j.1745-6584.1985.tb01507.x
UR  - https://pubs.usgs.gov/publication/70012986
ID  - 70012986
ER  -