@article{283205, note = {Shipping list no.: 2004-0186-P.}, author = {Ortiz, Roderick F.}, url = {http://library.usi.edu/record/283205}, title = {Methods to identify changes in background water-quality conditions using dissolved-solids concentrations and loads as indicators, Arkansas River and Fountain Creek, in the vicinity of Pueblo, Colorado /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;}, recid = {283205}, pages = {iv, 20 p. :}, address = {Reston, Va. :}, year = {2004}, }