Stocked fingerlings

I'm not seeing anything in that management plan about the white being mostly natural reproduction. Am I missing it?
This is the one I read a while ago but I no longer have access to the full text. https://pubs.usgs.gov/publication/70024996
They do spawn, and guys actually fish the shoals during the fall to target them. The success varies a lot with river/water/generation conditions with the hydro plants. They do stock browns as well as bows it appears.
 
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