@article{120529, note = {Issued in portfolio.}, author = {Olmsted, F. H. and Loeltz, O. J. and Irelan, Burdge,}, url = {http://library.usi.edu/record/120529}, title = {Geohydrology of the Yuma area, Arizona and California,}, publisher = {U.S. Govt. Print. Off.,}, recid = {120529}, pages = {vii, 227 p. :}, address = {Washington,}, year = {1973}, }