TY  - RPRT
TI  - Using spring-water chemistry to assess groundwater contamination and ages of shallow and deep ground water flow systems
AU  - B. G. Katz
AU  - J.K. Bohlke
AU  - D. Hornsby
PY  - 2002
UR  - https://pubs.usgs.gov/publication/70188326
ID  - 70188326
ER  -