TY - RPRT TI - CFC tracing of groundwater in fractured rock aided with 14C and 3H to identify water mixing AU - A.S. Talma AU - John L. Weaver AU - L.N. Plummer AU - Eurybiades Busenberg PY - 2000 UR - https://pubs.usgs.gov/publication/70199474 ID - 70199474 ER -