Steven David Johnson:
Pacific Giant Salamander neotene (underwater), Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Pacific Tailed Frog, Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Terrestrial Pacific Giant Salamander, Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Cascade Torrent Salamander (underwater), Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Dunn's Salamander, Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Dunn's Salamander, Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Coastal Tailed Frog (underwater), Opal Creek Ancient Forest Center, Oregon
Steven David Johnson:
Creek over and under, Opal Creek Ancient Forest Center
Steven David Johnson:
Opal Creek Ancient Forest Center