@article{balch_lee_muller_1980, 
  title={A vertical seismic profiling experiment to determine depth and dip of the Paleozoic surface at drill hole U10bd, Nevada Test Site, Nevada}, 
  DOI={10.3133/ofr80847}, 
  publisher={US Geological Survey}, 
  author={Balch and Lee and Muller}, 
  year={1980}
  }