Erdman, B., Mitro, M.G., Griffin, J.D.T., Rowe, D., Kazyak, D.C., Turnquist, K., Siepker, M., Miller, L., Stott, W., Hughes, M., Sloss, B., Kinnison, M.T., Wilson, C.C., Larson, W., and Lubinski, B.A., 2021, Population genetic data for wild Brook Trout (Salvelinus fontinalis) from the Midwestern United States and selected domestic strains: U.S. Geological Survey data release, https://doi.org/10.5066/P94WXEDD.