@article{226832, author = {Robertson, Frederick N.}, url = {http://library.usi.edu/record/226832}, title = {Geochemistry of ground water in alluvial basins of Arizona and adjacent parts of Nevada, New Mexico, and California /}, publisher = {U.S. G.P.O.,}, recid = {226832}, pages = {vii, 90 p. :}, address = {Washington, D.C. :}, year = {1991}, }