@misc{indiciae0657d5a0f40a,
  title = {Assessment, water-quality trends, and options for remediation of acidic drainage from abandoned coal mines near Huntsville, Missouri, 2003-2004},
  author = {Eric D. Christensen},
  year = {2005},
  doi = {10.3133/sir20055202},
  url = {https://pubs.usgs.gov/publication/sir20055202},
  note = {Source identifier: sir20055202}
}