Water chemistry data for samples collected at groundwater and surface-water sites near the Lost Hills and Belridge oil fields, November 2016-September 2017, Kern County, California (ver. 2.0, April 2019)

An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater...此项调查由美国地质调查局（U.S. Geological Survey）联合加利福尼亚州水资源管理委员会区域地下水项目合作开展……