@article{144152, note = {Shipping list no.: 92-0715-P.}, author = {Gray, Floyd.}, url = {http://library.usi.edu/record/144152}, title = {The Conterminous United States Mineral Assessment Program : background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Ajo and Lukeville 1° by 2° quadrangles, Arizona /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, recid = {144152}, pages = {iv, 27 p. :}, address = {[Reston, Va.?] :}, year = {1992}, }