@article{200494,
      recid = {200494},
      author = {Olson, Jean A. and Showalter, Patrick K.},
      title = {Map of earthquake epicenters in the San Francisco Bay  Area, California, 1972-1989 [microform] /},
      publisher = {U.S. Geological Survey  ;},
      address = {[Menlo Park, Calif.] :},
      pages = {1 map ;},
      year = {1991},
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/200494},
}