@article{263371, recid = {263371}, author = {Bullock, John H. and Folger, Helen W.}, title = {Spectrographic analyses of insoluble-residue samples Joplin 1° x 2° quadrangle, Missouri and Kansas drill hole nos. 112, 113, 114, and 115 / [microform] :}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :}, address = {Denver, CO :}, pages = {1 v.}, year = {1990}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/263371}, }