@misc{indiciaef353b130237c, title = {Chlorine-36 in groundwater of the United States: Empirical data}, author = {S.N. Davis and S. Moysey and L.D. Cecil and M. Zreda}, year = {2003}, doi = {10.1007/s10040-002-0232-6}, url = {https://pubs.usgs.gov/publication/70025633}, note = {Source identifier: 70025633} }