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Steelhead status in Idaho – 2010 update. Steelhead status in Idaho 2010 update. Photograph by Ron Roberts. Dworshak 1972. Hells Canyon 1967. Lower Granite Dam. Steelhead return to Lower Granite Dam. Spawn year. Proportion of wild Steelhead at Lower Granite Dam.
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Steelhead status in Idaho – 2010 update Steelhead status in Idaho 2010 update Photograph by Ron Roberts
Dworshak 1972 Hells Canyon 1967
Steelhead return to Lower Granite Dam Spawn year
Fall 2010 Return at Lower Granite Dam Large (> 78 cm) Clipped Hatchery Unclipped Hatchery