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and Game biologists have kept a tally at a weir on the Salmon River at Sawtooth Hatchery near Stanley and at a trap on Redfish Lake Creek, a tributary upstream of the hatchery.Sockeye returns have grown in recent years in large part due to the Snake River Sockeye Salmon Captive Broodstock Program, which was started in 1991 in hopes of preserving the genetic stock of a species approaching extinction. Late in 1991 Snake River sockeye were declared endangered under the Endangered Species Act.Construction of the Sunbeam Dam on the Salmon River in 1913 blocked upstream fish passage. The dam was partially destroyed in 1934 reopening the upper Salmon River, but no one tried to restore the salmon runs, according to an IDFG fact sheet.Between 1991 and 1998, only 16 wild sockeye returned to Idaho. All 16 wild fish, along with several hundred Redfish Lake wild juvenile outmigrants, and several residual sockeye salmon adults (fish that spent their entire life cycle in freshwater) were captured and used to develop captive broodstock at the IDFGs Eagle Fish Hatchery and a NOAA Fisheries Service facility in Washington state.In 1999 the first anadromous returns from the program, seven in all, were trapped in the Sawtooth Valley. Between 2007, a total 355 hatchery produced adult sockeye salmon returned to Idaho. That included one banner year, 257 in 2000. Over the previous 14 years, only 77 natural origin sockeye returned.The 2008 adult return was 650 and was followed by a total of 833 in 2009. The modern day record came in 2010. That 2010 return is the largest since the 1950s.The pulse of the sockeye run