@misc{indiciae98fc5ece44e2,
  title = {Investigation of in situ physical properties of surface and subsurface site materials by engineering geophysical techniques project - Annual Report, fiscal year 1966},
  year = {1966},
  doi = {10.3133/ofr67272},
  url = {https://pubs.usgs.gov/publication/ofr67272},
  note = {Source identifier: ofr67272}
}