@misc{indiciae499252cc2015, title = {Geochemistry and hydrology of perched groundwater springs: assessing elevated uranium concentrations at Pigeon Spring relative to nearby Pigeon Mine, Arizona (USA)}, author = {Kimberly R. Beisner and Nicholas V. Paretti and Fred D. Tillman and David L. Naftz and Donald J. Bills and Katherine Walton-Day and Tanya J. Gallegos}, year = {2016}, doi = {10.1007/s10040-016-1494-8}, url = {https://pubs.usgs.gov/publication/70182714}, note = {Source identifier: 70182714} }