The South Yuba River Citizens League has issued a notice of intent to file suit against the U.S. Army Corps of Engineers for failure to comply with new Endangered Species Act requirements for protecting three species of endangered Yuba River fish: spring-run Chinook salmon, steelhead and green sturgeon. In 2006, SYRCL and Friends of the River sued the federal government to demand better protection for the Yuba’s endangered fish, according to a Wednesday SYRCL news release. That effort bore fruit when, in February 2012, the National Marine Fisheries Service (NMFS) released a formal decision, called the Biological Opinion, finding that …