@misc{indiciae2ed5380fd79e, title = {Use of geochemical, isotopic, and age tracer data to develop models of groundwater flow for the purpose of water management, northern High Plains aquifer, USA}, author = {Peter B. McMahon and C. P. Carney and E. P. Poeter and Steven M. Peterson}, year = {2010}, doi = {10.1016/j.apgeochem.2010.04.001}, url = {https://pubs.usgs.gov/publication/70003630}, note = {Source identifier: 70003630} }