@misc{indiciaeacca54efb309,
  title = {MiniSipper: A new in situ water sampler for high-resolution, long-duration acid mine drainage monitoring},
  author = {Thomas P. Chapin and Andrew S. Todd},
  year = {2012},
  doi = {10.1016/j.scitotenv.2012.07.083},
  url = {https://pubs.usgs.gov/publication/70048188},
  note = {Source identifier: 70048188}
}