@article{263424, note = {Distributed to depository libraries in microfiche.}, author = {Dubrovsky, N. M.}, url = {http://library.usi.edu/record/263424}, title = {Geochemical relations and distribution of selected trace elements in ground water of the northern part of the western San Joaquin Valley, California [microform] /}, publisher = {U.S. Geological Survey ;}, recid = {263424}, pages = {1 v.}, address = {Sacramento, Calif. :}, year = {1991}, }