@misc{indiciaead6046cdc085, title = {Groundwater quality and age of secondary bedrock aquifers in the glaciated portion of eastern Nebraska, 2016–18}, author = {Christopher M. Hobza and Amanda T. Flynn}, year = {2021}, doi = {10.3133/sir20215055}, url = {https://pubs.usgs.gov/publication/sir20215055}, note = {Source identifier: sir20215055} }