View of O'Shaugnessy Dam, Hetch Hetchy Reservoir 1987, by Galen Rowell

View of O'Shaugnessy Dam from side of Hetch Hetchy Reservoir, 1987, copyright Galen Rowell, www.mountainlight.com

View of O'Shaugnessy Dam, Hetch Hetchy Reservoir, 1987

Photo copyright by Galen Rowell, http://www.mountainlight.com. We gratefully acknowledge Galen Rowell's donation of this image, reproduced here by permission of the photographer.