@misc{indiciae9bec58b8cd1e,
  title = {Seismic-reflection records from a survey at the Rocky Mountain Arsenal near Denver, Colorado},
  author = {Robert E. Mattick and Donald B. Hoover},
  year = {1970},
  doi = {10.3133/ofr70217},
  url = {https://pubs.usgs.gov/publication/ofr70217},
  note = {Source identifier: ofr70217}
}