TY - RPRT TI - Concentrations and characteristics of organic carbon in surface water in Arizona: Influence of urbanization AU - P. Westerhoff AU - D. Anning PY - 2000 DO - 10.1016/s0022-1694(00)00292-4 UR - https://pubs.usgs.gov/publication/70022441 ID - 70022441 ER -