@misc{indiciaeb71d03045a6d,
  title = {Work of the Ground Water Branch, U. S. Geological Survey (talk given to members of Geology and Forestry Departments of University of Montana)},
  author = {F. A. Swenson},
  year = {1952},
  doi = {10.3133/ofr52145},
  url = {https://pubs.usgs.gov/publication/ofr52145},
  note = {Source identifier: ofr52145}
}