@article{topographic:59124,
      recid = {59124},
      title = {Historic topographic maps of California: San Francisco Bay  Region. HISTOPO},
      publisher = {U.S. Geological Survey National Mapping Division},
      address = {Reston. 2001},
      pages = {13 computer laser optical disc},
      year = {2001},
      note = {Map edition dates range from 1897 to 1997.},
      url = {http://digicoll.lib.berkeley.edu/record/59124},
}