Johnson, Laura. Understanding Freshwater Mussel Distribution, Abundance, and Demography in the South Umpqua River Basin, Oregon:  Impacts of Land Use and Stream Hydraulics. M.S. ed. Eugene, Or.: University of Oregon, 2021.

Johnson, Laura. Understanding Freshwater Mussel Distribution, Abundance, and Demography in the South Umpqua River Basin, Oregon: Impacts of Land Use and Stream Hydraulics. M.S. ed. Eugene, Or.: University of Oregon, 2020.