Suggested citation and version history for: Lowenstern, Jacob B., Janik, Cathy J., Fahlquist, Lynne, and Johnson, Linda S., 1999, Gas and isotope geochemistry of 81 stream samples from wells in the Geysers geothermal field, Sonoma and Lake Counties, California: U.S. Geological Survey Open-File Report 99-304. Version 1.0 January 11, 2010 Migrated to: http://pubs.usgs.gov/of/1999/of99-304/ May 5, 1999 First release, on the Web only, at http://geopubs.wr.usgs.gov/open-file/of99-304