@article{263549,
      note = {Chiefly tables.},
      author = {Bullock, John H. and Folger, Helen W.},
      url = {http://library.usi.edu/record/263549},
      title = {Spectrographic analyses of insoluble-residue samples,  Joplin 1° x 2° quadrangle, Missouri and Kansas drill hole  nos. 134, 135, and 136 / [microform] :},
      publisher = {U.S. Dept. of the Interior, Geological Survey,},
      recid = {263549},
      pages = {19 leaves :},
      address = {[Denver, CO] :},
      year = {1990},
}