@misc{indiciae5821f44e3668,
  title = {Map showing depth to water table, September 1976, and area inundated by the June 1975 flood, Helena Valley, Lewis and Clark County, Montana},
  author = {Kathleen R. Wilke and M. V. Johnson},
  year = {1978},
  doi = {10.3133/ofr78110},
  url = {https://pubs.usgs.gov/publication/ofr78110},
  note = {Source identifier: ofr78110}
}