@misc{indiciaec90b996a5727,
  title = {Access routes to the U.S. Geological Survey's EROS Data Center, Sioux Falls, South Dakota},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1976},
  doi = {10.3133/70039218},
  url = {https://pubs.usgs.gov/publication/70039218},
  note = {Source identifier: 70039218}
}