@article{216276,
      recid = {216276},
      author = {Roberts, Carter W.},
      title = {Density measurements of well samples from the Clear  Lake-Geysers area, Lake and Sonoma Counties, California /},
      publisher = {U.S. Geological Survey,},
      address = {[Menlo Park, CA] :},
      pages = {8 p. ;},
      year = {1997},
      note = {Cover title.},
      url = {http://library.usi.edu/record/216276},
}