TY  - RPRT
TI  - Critical evaluation of stable isotope mixing end-members for estimating groundwater recharge sources: Case study from the South Rim of the Grand Canyon, Arizona, USA
AU  - John E. Solder
AU  - Kimberly R. Beisner
PY  - 2020
DO  - 10.1007/s10040-020-02194-y
UR  - https://pubs.usgs.gov/publication/70210995
ID  - 70210995
ER  -