@misc{indiciaea7320c0554d7,
  title = {Steps to the moon},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey and Alvin E. Dale},
  year = {1976},
  doi = {10.3133/70039210},
  url = {https://pubs.usgs.gov/publication/70039210},
  note = {Source identifier: 70039210}
}