@misc{indiciae9dbf1d42df85,
  title = {Shallow seismic compressional and shear wave refraction and electrical resistivity investigations at Rocky Flats, Jefferson County, Colorado},
  author = {Hans D. Ackermann},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70232460},
  note = {Source identifier: 70232460}
}