@article{149321,
      note = {Shipping list no.: 93-0478-P.},
      author = {Langer, William H. and Glanzman, V. M.},
      url = {http://library.usi.edu/record/149321},
      title = {Natural aggregate building America's future /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {149321},
      pages = {39 p. :},
      address = {[Reston, Va.?] :},
      year = {1993},
}