@misc{indiciaed9e6e3095186,
  title = {Bicarbonate content of groundwater in carbonate rock in eastern North America},
  author = {F.W. Trainer and R.C. Heath},
  year = {1976},
  doi = {10.1016/0022-1694(76)90019-6},
  url = {https://pubs.usgs.gov/publication/70010216},
  note = {Source identifier: 70010216}
}