@misc{indiciae0ac8f30f019e,
  title = {An assessment of seismic noise levels for the Advanced National Seismic System backbone network and selected regional broadband stations},
  author = {D.E. McNamara and R.P. Buland and H.M. Benz and W.R. Leith},
  year = {2005},
  doi = {10.3133/ofr20051077},
  url = {https://pubs.usgs.gov/publication/ofr20051077},
  note = {Source identifier: ofr20051077}
}