TY  - RPRT
TI  - Radium and radon in ground water in the Chickies Quartzite, southeastern Pennsylvania
AU  - L.A. Senior
AU  - K.L. Vogel
PY  - 1995
DO  - 10.3133/wri924088
UR  - https://pubs.usgs.gov/publication/wri924088
ID  - wri924088
ER  -