TY - RPRT TI - Environmental impacts of petroleum production--Initial results from the Osage-Skiatook Petroleum Environmental Research Sites, Osage County, Oklahoma AU - Yousif K. Kharaka AU - James K. Otton PY - 2003 DO - 10.3133/wri034260 UR - https://pubs.usgs.gov/publication/wri034260 ID - wri034260 ER -