@misc{indiciae559117bd156a,
  title = {Principal facts for borehole gravity stations in the Columbia Gas Transmission Corp. 4982, 5016, and 6871 wells, Jackson and Kanawha counties, West Virginia},
  author = {J. W. Schmoker and S. L. Robbins and F. G. Clutsom and R.J. Martinez},
  year = {1977},
  doi = {10.3133/ofr77852},
  url = {https://pubs.usgs.gov/publication/ofr77852},
  note = {Source identifier: ofr77852}
}