@misc{indiciaeecad1ce83097,
  title = {Relation of ground-water flow in bedrock aquifers and the Mississippi and Minnesota Rivers, Minneapolis and St. Paul area, Minnesota},
  author = {M. E. Schoenberg},
  year = {1989},
  doi = {10.3133/ofr89268},
  url = {https://pubs.usgs.gov/publication/ofr89268},
  note = {Source identifier: ofr89268}
}