concentrations of cadmium, lead, and zinc in fish from mining-influenced waters of northeastern oklahoma: sampling of blood, carcass, and liver for aquatic biomonitoring. | the tri-states mining district (tsmd) of missouri (mo), kansas (ks), and oklahoma (ok), usa, was mined for lead (pb) and zinc (zn) for more than a century. mining ceased more than 30 years ago, but wastes remain widely distributed in the region, and there is evidence of surface- and groundwater contamination in the spring river-neosho river (sr-nr) system of northeastern ok. in october 2001, we collected a total of 74 fish from six locations in the sr-nr system that included common carp (cyprinu ... | 2005 | 15981034 |