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Frog Lake (Clackamas County, Or.)
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Portland General Electric Photograph Collection
Portland General Electric Photograph Collection
Oak Grove project, looking west at Frog Lake
Oak Grove project, looking west at Frog Lake
Oak Grove project, east along conduit line with Frog Lake in forground
Oak Grove project, east along conduit line with Frog Lake in forground
Oak Grove project, view of Frog Lake showing concrete cradles
Oak Grove project, view of Frog Lake showing concrete cradles