There are also large runs of chinook and coho salmon. Tribal fishing for chinook and steelhead occurs at Sherars Falls. These deaths can be attributed to declines in Chinook salmon. Salmon account for 96% of northeast Pacific residents' diet, including 65% of large, fatty Chinook. Other notable locations include Rosedale in Toronto, Chinook and West Edmonton Mall in Alberta. CH-47 Chinook, and OH-58 Kiowa helicopters. Winds periodically exceed when Chinook wind conditions exist. RAF Odiham's gate guardian is a former US Army Boeing CH-47F Chinook. In addition to the chinook wind, Fairbanks experiences a handful of other unusual meteorological conditions. Sikorsky's S-65 was selected over Boeing Vertol's modified CH-47 Chinook version. The civilian version of the Chinook is the Boeing Vertol 234. They examined Boeing's CH-47 Chinook, and Sikorsky's CH-53. Evidence for effects from Chinook winds remain anecdotal. Trains have been known to be derailed by Chinook winds. Merlin and Chinook helicopters are also based there.