TY - RPRT TI - Geochemical data from produced water contamination investigations: Osage-Skiatook Petroleum Environmental Research (OSPER) sites, Osage County, Oklahoma AU - James J. Thordsen AU - Yousif K. Kharaka AU - Gil Ambats AU - Evangelos Kakouros AU - Marvin M. Abbott PY - 2007 DO - 10.3133/ofr20071055 UR - https://pubs.usgs.gov/publication/ofr20071055 ID - ofr20071055 ER -