All file here are in the rubias format (https://cran.r-project.org/web/packages/rubias/vignettes/rubias-overview.html) The file: 2013-2019_chinook_brood_rubias.txt includes all brood collected, genotyped, and having at least 150 genotyped amplicons from years 2013-2019. Collection site defines the hatchery stock, repunit the conservation unit from which the stock belongs. The individual ID is in the format ___. The missing data is coded as NA. See Table S3 in publication for more info. The file: 2018_chinook_mixture_rubias.txt includes all fishery mixtures analyzed for catch year 2018. Collection site defines mixture in which the sample was analyzed. The individual ID is in the format ___. The missing data is coded as NA. See Table S4 in publication for more info on associated results. The file: 2019_chinook_mixture_rubias.txt includes all fishery mixtures analyzed for catch year 2019. Collection site defines mixture in which the sample was analyzed. The individual ID is in the format ___. The missing data is coded as NA. See Table S5 in publication for more info on associated results.