@article{216138,
      note = {Cover title.},
      author = {Jaasma, M. N.},
      url = {http://library.usi.edu/record/216138},
      title = {Seismic reflection and refraction investigations in  Potrero Canyon, Los Angeles County, California /},
      publisher = {U.S. Geological Survey,},
      recid = {216138},
      pages = {19 leaves :},
      address = {[Menlo Park, CA] :},
      year = {1997},
}