TY - RPRT TI - Selenium concentrations in irrigation drain inflows to the Salton Sea, California, October 2006 and January 2007 AU - Thomas W. May AU - Mike W. Walther AU - William G. Brumbaugh PY - 2007 DO - 10.3133/ofr20071113 UR - https://pubs.usgs.gov/publication/ofr20071113 ID - ofr20071113 ER -