@article{263373,
      note = {Distributed to depository libraries in microfice.},
      author = {Bullock, John H. and Folger, Helen W.},
      url = {http://library.usi.edu/record/263373},
      title = {Spectrographic analyses of insoluble-residue samples  Joplin 1° x 2° quadrangle, Missouri and Kansas drill hole  nos. 106, 107 and 108 / [microform] :},
      publisher = {U.S. Dept. of the Interior, Geological Survey :},
      recid = {263373},
      pages = {1 v.},
      address = {Denver, CO :},
      year = {1990},
}