@article{197262, note = {Caption title.}, author = {Wilson, Richard P. and Owen-Joyce, Sandra J.}, url = {http://library.usi.edu/record/197262}, title = {Determining the source of water pumped from wells along the lower Colorado River [microform].}, publisher = {U.S. Geological Survey, Dept. of the Interior ;}, recid = {197262}, pages = {1 sheet :}, address = {Tucson, Ariz. :}, year = {1993}, }