@misc{indiciaeff209ace84c8,
  title = {Water resources data for Minnesota, water year 1970, Part 1. Surface water records and Part 2. Water quality records},
  author = {U.S. Geological Survey},
  year = {1970},
  doi = {10.3133/wdrmn7012},
  url = {https://pubs.usgs.gov/publication/wdrMN7012},
  note = {Source identifier: wdrMN7012}
}