@article{219308,
      note = {Blackline print.},
      author = {Langenheim, Victoria E. and Jachens, Robert C.},
      url = {http://library.usi.edu/record/219308},
      title = {Aeromagnetic map of the Long Beach 1:100,000-scale  quadrangle, California /},
      publisher = {The Survey,},
      recid = {219308},
      pages = {1 map :},
      address = {[Reston, Va.?] :},
      year = {1996},
}