@misc{indiciaed9c9ad6e3a1f,
  title = {Potentiometric Surfaces and Changes in Groundwater Levels in Selected Bedrock Aquifers in the Twin Cities Metropolitan Area, March-August 2008 and 1988-2008},
  author = {Christopher A. Sanocki and Susan K. Langer and Jason C. Menard},
  year = {2008},
  doi = {10.3133/sir20095226},
  url = {https://pubs.usgs.gov/publication/sir20095226},
  note = {Source identifier: sir20095226}
}