@article{229646, author = {DeYoung, John H. and Hammarstrom, Jane Marie.}, url = {http://library.usi.edu/record/229646}, title = {Contributions to commodity geology research /}, publisher = {U.S. G.P.O. ;}, recid = {229646}, pages = {1 v. (various pagings) :}, address = {Washington :}, year = {1992}, }